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Finding the Fourth Proportional to 177,658.42, 245,158.18 and 97,086.56

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Solution

The fourth proportional to 177,658.42, 245,158.18 and 97,086.56 is: 133,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,658.42 : 245,158.18 = 97,086.56 : x
  2. Step 2: Convert to fraction form
    177,658.42/245,158.18 = 97,086.56/x
  3. Step 3: Cross multiply
    177,658.42x = 245,158.18 × 97,086.56
  4. Step 4: Simplify right side
    177,658.42x = 23,801,564,352.06
  5. Step 5: Solve for x
    x = 23,801,564,352.06/177,658.42
  6. Step 6: Final answer
    x = 133,973.75

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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.