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Finding the Fourth Proportional to 125,340.46, 187,955.34 and 58,726.88

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Solution

The fourth proportional to 125,340.46, 187,955.34 and 58,726.88 is: 88,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,340.46 : 187,955.34 = 58,726.88 : x
  2. Step 2: Convert to fraction form
    125,340.46/187,955.34 = 58,726.88/x
  3. Step 3: Cross multiply
    125,340.46x = 187,955.34 × 58,726.88
  4. Step 4: Simplify right side
    125,340.46x = 11,038,030,697.54
  5. Step 5: Solve for x
    x = 11,038,030,697.54/125,340.46
  6. Step 6: Final answer
    x = 88,064.39

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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.