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Finding the Fourth Proportional to 73,192.80, 101,006.04 and 39,658.80

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Solution

The fourth proportional to 73,192.80, 101,006.04 and 39,658.80 is: 54,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,192.80 : 101,006.04 = 39,658.80 : x
  2. Step 2: Convert to fraction form
    73,192.80/101,006.04 = 39,658.80/x
  3. Step 3: Cross multiply
    73,192.80x = 101,006.04 × 39,658.80
  4. Step 4: Simplify right side
    73,192.80x = 4,005,778,339.15
  5. Step 5: Solve for x
    x = 4,005,778,339.15/73,192.80
  6. Step 6: Final answer
    x = 54,729.13

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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.