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Finding the Fourth Proportional to 158,385.60, 237,446.88 and 83,463.84

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Solution

The fourth proportional to 158,385.60, 237,446.88 and 83,463.84 is: 125,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,385.60 : 237,446.88 = 83,463.84 : x
  2. Step 2: Convert to fraction form
    158,385.60/237,446.88 = 83,463.84/x
  3. Step 3: Cross multiply
    158,385.60x = 237,446.88 × 83,463.84
  4. Step 4: Simplify right side
    158,385.60x = 19,818,228,400.82
  5. Step 5: Solve for x
    x = 19,818,228,400.82/158,385.60
  6. Step 6: Final answer
    x = 125,126.45

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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.