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Finding the Fourth Proportional to 136,257.66, 187,874.73 and 93,257.90

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Solution

The fourth proportional to 136,257.66, 187,874.73 and 93,257.90 is: 128,585.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,257.66 : 187,874.73 = 93,257.90 : x
  2. Step 2: Convert to fraction form
    136,257.66/187,874.73 = 93,257.90/x
  3. Step 3: Cross multiply
    136,257.66x = 187,874.73 × 93,257.90
  4. Step 4: Simplify right side
    136,257.66x = 17,520,802,782.87
  5. Step 5: Solve for x
    x = 17,520,802,782.87/136,257.66
  6. Step 6: Final answer
    x = 128,585.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.