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Finding the Fourth Proportional to 69,085.10, 103,627.65 and 69,085.10

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Solution

The fourth proportional to 69,085.10, 103,627.65 and 69,085.10 is: 103,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,085.10 : 103,627.65 = 69,085.10 : x
  2. Step 2: Convert to fraction form
    69,085.10/103,627.65 = 69,085.10/x
  3. Step 3: Cross multiply
    69,085.10x = 103,627.65 × 69,085.10
  4. Step 4: Simplify right side
    69,085.10x = 7,159,126,563.02
  5. Step 5: Solve for x
    x = 7,159,126,563.02/69,085.10
  6. Step 6: Final answer
    x = 103,627.65

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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.