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Finding the Fourth Proportional to 125,008.50, 187,277.04 and 61,754.52

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Solution

The fourth proportional to 125,008.50, 187,277.04 and 61,754.52 is: 92,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,008.50 : 187,277.04 = 61,754.52 : x
  2. Step 2: Convert to fraction form
    125,008.50/187,277.04 = 61,754.52/x
  3. Step 3: Cross multiply
    125,008.50x = 187,277.04 × 61,754.52
  4. Step 4: Simplify right side
    125,008.50x = 11,565,203,712.22
  5. Step 5: Solve for x
    x = 11,565,203,712.22/125,008.50
  6. Step 6: Final answer
    x = 92,515.34

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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.