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Finding the Fourth Proportional to 136,255.66, 187,871.97 and 93,255.90

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Solution

The fourth proportional to 136,255.66, 187,871.97 and 93,255.90 is: 128,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,255.66 : 187,871.97 = 93,255.90 : x
  2. Step 2: Convert to fraction form
    136,255.66/187,871.97 = 93,255.90/x
  3. Step 3: Cross multiply
    136,255.66x = 187,871.97 × 93,255.90
  4. Step 4: Simplify right side
    136,255.66x = 17,520,168,707.76
  5. Step 5: Solve for x
    x = 17,520,168,707.76/136,255.66
  6. Step 6: Final answer
    x = 128,583.06

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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.