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Finding the Fourth Proportional to 125,355.68, 188,014.98 and 36,585.35

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Solution

The fourth proportional to 125,355.68, 188,014.98 and 36,585.35 is: 54,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,355.68 : 188,014.98 = 36,585.35 : x
  2. Step 2: Convert to fraction form
    125,355.68/188,014.98 = 36,585.35/x
  3. Step 3: Cross multiply
    125,355.68x = 188,014.98 × 36,585.35
  4. Step 4: Simplify right side
    125,355.68x = 6,878,593,848.54
  5. Step 5: Solve for x
    x = 6,878,593,848.54/125,355.68
  6. Step 6: Final answer
    x = 54,872.61

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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.