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Finding the Fourth Proportional to 73,999.90, 110,999.85 and 62,292.70

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Solution

The fourth proportional to 73,999.90, 110,999.85 and 62,292.70 is: 93,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,999.90 : 110,999.85 = 62,292.70 : x
  2. Step 2: Convert to fraction form
    73,999.90/110,999.85 = 62,292.70/x
  3. Step 3: Cross multiply
    73,999.90x = 110,999.85 × 62,292.70
  4. Step 4: Simplify right side
    73,999.90x = 6,914,480,356.10
  5. Step 5: Solve for x
    x = 6,914,480,356.10/73,999.90
  6. Step 6: Final answer
    x = 93,439.05

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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.