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Finding the Fourth Proportional to 123,920.33, 185,776.00 and 53,746.79

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Solution

The fourth proportional to 123,920.33, 185,776.00 and 53,746.79 is: 80,574.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,920.33 : 185,776.00 = 53,746.79 : x
  2. Step 2: Convert to fraction form
    123,920.33/185,776.00 = 53,746.79/x
  3. Step 3: Cross multiply
    123,920.33x = 185,776.00 × 53,746.79
  4. Step 4: Simplify right side
    123,920.33x = 9,984,862,595.79
  5. Step 5: Solve for x
    x = 9,984,862,595.79/123,920.33
  6. Step 6: Final answer
    x = 80,574.86

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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.