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Finding the Fourth Proportional to 125,089.68, 187,601.70 and 36,319.35

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Solution

The fourth proportional to 125,089.68, 187,601.70 and 36,319.35 is: 54,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,089.68 : 187,601.70 = 36,319.35 : x
  2. Step 2: Convert to fraction form
    125,089.68/187,601.70 = 36,319.35/x
  3. Step 3: Cross multiply
    125,089.68x = 187,601.70 × 36,319.35
  4. Step 4: Simplify right side
    125,089.68x = 6,813,571,802.90
  5. Step 5: Solve for x
    x = 6,813,571,802.90/125,089.68
  6. Step 6: Final answer
    x = 54,469.50

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1.5x scale

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.