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Finding the Fourth Proportional to 186,373.85, 257,198.84 and 101,490.85

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Solution

The fourth proportional to 186,373.85, 257,198.84 and 101,490.85 is: 140,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,373.85 : 257,198.84 = 101,490.85 : x
  2. Step 2: Convert to fraction form
    186,373.85/257,198.84 = 101,490.85/x
  3. Step 3: Cross multiply
    186,373.85x = 257,198.84 × 101,490.85
  4. Step 4: Simplify right side
    186,373.85x = 26,103,328,890.61
  5. Step 5: Solve for x
    x = 26,103,328,890.61/186,373.85
  6. Step 6: Final answer
    x = 140,058.97

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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.