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Finding the Fourth Proportional to 240,060, 331,282.80 and 134,076

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Solution

The fourth proportional to 240,060, 331,282.80 and 134,076 is: 185,024.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,060 : 331,282.80 = 134,076 : x
  2. Step 2: Convert to fraction form
    240,060/331,282.80 = 134,076/x
  3. Step 3: Cross multiply
    240,060x = 331,282.80 × 134,076
  4. Step 4: Simplify right side
    240,060x = 44,417,072,692.80
  5. Step 5: Solve for x
    x = 44,417,072,692.80/240,060
  6. Step 6: Final answer
    x = 185,024.88

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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.