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Finding the Fourth Proportional to 123,810.54, 185,805.99 and 44,931.12

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Solution

The fourth proportional to 123,810.54, 185,805.99 and 44,931.12 is: 67,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,810.54 : 185,805.99 = 44,931.12 : x
  2. Step 2: Convert to fraction form
    123,810.54/185,805.99 = 44,931.12/x
  3. Step 3: Cross multiply
    123,810.54x = 185,805.99 × 44,931.12
  4. Step 4: Simplify right side
    123,810.54x = 8,348,471,233.41
  5. Step 5: Solve for x
    x = 8,348,471,233.41/123,810.54
  6. Step 6: Final answer
    x = 67,429.41

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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.