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Finding the Fourth Proportional to 158,615.38, 237,985.35 and 69,806.59

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Solution

The fourth proportional to 158,615.38, 237,985.35 and 69,806.59 is: 104,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,615.38 : 237,985.35 = 69,806.59 : x
  2. Step 2: Convert to fraction form
    158,615.38/237,985.35 = 69,806.59/x
  3. Step 3: Cross multiply
    158,615.38x = 237,985.35 × 69,806.59
  4. Step 4: Simplify right side
    158,615.38x = 16,612,945,753.46
  5. Step 5: Solve for x
    x = 16,612,945,753.46/158,615.38
  6. Step 6: Final answer
    x = 104,737.29

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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.