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Finding the Fourth Proportional to 94,712.55, 142,069.02 and 38,513.01

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Solution

The fourth proportional to 94,712.55, 142,069.02 and 38,513.01 is: 57,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,712.55 : 142,069.02 = 38,513.01 : x
  2. Step 2: Convert to fraction form
    94,712.55/142,069.02 = 38,513.01/x
  3. Step 3: Cross multiply
    94,712.55x = 142,069.02 × 38,513.01
  4. Step 4: Simplify right side
    94,712.55x = 5,471,505,587.95
  5. Step 5: Solve for x
    x = 5,471,505,587.95/94,712.55
  6. Step 6: Final answer
    x = 57,769.59

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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.