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Finding the Fourth Proportional to 113,292.83, 156,363.68 and 65,572.49

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Solution

The fourth proportional to 113,292.83, 156,363.68 and 65,572.49 is: 90,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,292.83 : 156,363.68 = 65,572.49 : x
  2. Step 2: Convert to fraction form
    113,292.83/156,363.68 = 65,572.49/x
  3. Step 3: Cross multiply
    113,292.83x = 156,363.68 × 65,572.49
  4. Step 4: Simplify right side
    113,292.83x = 10,253,156,398.00
  5. Step 5: Solve for x
    x = 10,253,156,398.00/113,292.83
  6. Step 6: Final answer
    x = 90,501.37

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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.