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Finding the Fourth Proportional to 73,295.80, 101,113.13 and 42,668.89

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Solution

The fourth proportional to 73,295.80, 101,113.13 and 42,668.89 is: 58,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,295.80 : 101,113.13 = 42,668.89 : x
  2. Step 2: Convert to fraction form
    73,295.80/101,113.13 = 42,668.89/x
  3. Step 3: Cross multiply
    73,295.80x = 101,113.13 × 42,668.89
  4. Step 4: Simplify right side
    73,295.80x = 4,314,384,875.42
  5. Step 5: Solve for x
    x = 4,314,384,875.42/73,295.80
  6. Step 6: Final answer
    x = 58,862.65

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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.