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Finding the Fourth Proportional to 73,350.57, 101,223.89 and 39,816.57

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Solution

The fourth proportional to 73,350.57, 101,223.89 and 39,816.57 is: 54,946.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,350.57 : 101,223.89 = 39,816.57 : x
  2. Step 2: Convert to fraction form
    73,350.57/101,223.89 = 39,816.57/x
  3. Step 3: Cross multiply
    73,350.57x = 101,223.89 × 39,816.57
  4. Step 4: Simplify right side
    73,350.57x = 4,030,387,902.77
  5. Step 5: Solve for x
    x = 4,030,387,902.77/73,350.57
  6. Step 6: Final answer
    x = 54,946.92

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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.