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Finding the Fourth Proportional to 124,393.34, 186,434.12 and 88,798.70

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Solution

The fourth proportional to 124,393.34, 186,434.12 and 88,798.70 is: 133,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,393.34 : 186,434.12 = 88,798.70 : x
  2. Step 2: Convert to fraction form
    124,393.34/186,434.12 = 88,798.70/x
  3. Step 3: Cross multiply
    124,393.34x = 186,434.12 × 88,798.70
  4. Step 4: Simplify right side
    124,393.34x = 16,555,106,781.47
  5. Step 5: Solve for x
    x = 16,555,106,781.47/124,393.34
  6. Step 6: Final answer
    x = 133,086.77

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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.