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Finding the Fourth Proportional to 94,763.64, 142,143.48 and 38,601.48

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Solution

The fourth proportional to 94,763.64, 142,143.48 and 38,601.48 is: 57,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,763.64 : 142,143.48 = 38,601.48 : x
  2. Step 2: Convert to fraction form
    94,763.64/142,143.48 = 38,601.48/x
  3. Step 3: Cross multiply
    94,763.64x = 142,143.48 × 38,601.48
  4. Step 4: Simplify right side
    94,763.64x = 5,486,948,700.35
  5. Step 5: Solve for x
    x = 5,486,948,700.35/94,763.64
  6. Step 6: Final answer
    x = 57,901.41

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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.