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Finding the Fourth Proportional to 353,753.95, 530,713.96 and 117,096.63

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Solution

The fourth proportional to 353,753.95, 530,713.96 and 117,096.63 is: 175,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,753.95 : 530,713.96 = 117,096.63 : x
  2. Step 2: Convert to fraction form
    353,753.95/530,713.96 = 117,096.63/x
  3. Step 3: Cross multiply
    353,753.95x = 530,713.96 × 117,096.63
  4. Step 4: Simplify right side
    353,753.95x = 62,144,816,209.95
  5. Step 5: Solve for x
    x = 62,144,816,209.95/353,753.95
  6. Step 6: Final answer
    x = 175,672.43

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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.