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Finding the Fourth Proportional to 124,130.10, 186,195.15 and 124,130.10

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Solution

The fourth proportional to 124,130.10, 186,195.15 and 124,130.10 is: 186,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,130.10 : 186,195.15 = 124,130.10 : x
  2. Step 2: Convert to fraction form
    124,130.10/186,195.15 = 124,130.10/x
  3. Step 3: Cross multiply
    124,130.10x = 186,195.15 × 124,130.10
  4. Step 4: Simplify right side
    124,130.10x = 23,112,422,589.02
  5. Step 5: Solve for x
    x = 23,112,422,589.02/124,130.10
  6. Step 6: Final answer
    x = 186,195.15

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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.