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Finding the Fourth Proportional to 100,309,085.10, 150,463,627.65 and 100,309,085.10

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Solution

The fourth proportional to 100,309,085.10, 150,463,627.65 and 100,309,085.10 is: 150,463,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,309,085.10 : 150,463,627.65 = 100,309,085.10 : x
  2. Step 2: Convert to fraction form
    100,309,085.10/150,463,627.65 = 100,309,085.10/x
  3. Step 3: Cross multiply
    100,309,085.10x = 150,463,627.65 × 100,309,085.10
  4. Step 4: Simplify right side
    100,309,085.10x = 15,092,868,830,398,562
  5. Step 5: Solve for x
    x = 15,092,868,830,398,562/100,309,085.10
  6. Step 6: Final answer
    x = 150,463,627.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.