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Finding the Fourth Proportional to 110,350.13, 152,283.17 and 65,638.13

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Solution

The fourth proportional to 110,350.13, 152,283.17 and 65,638.13 is: 90,580.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,350.13 : 152,283.17 = 65,638.13 : x
  2. Step 2: Convert to fraction form
    110,350.13/152,283.17 = 65,638.13/x
  3. Step 3: Cross multiply
    110,350.13x = 152,283.17 × 65,638.13
  4. Step 4: Simplify right side
    110,350.13x = 9,995,581,911.95
  5. Step 5: Solve for x
    x = 9,995,581,911.95/110,350.13
  6. Step 6: Final answer
    x = 90,580.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.