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Finding the Fourth Proportional to 237,459.78, 356,228.55 and 112,758.66

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Solution

The fourth proportional to 237,459.78, 356,228.55 and 112,758.66 is: 169,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,459.78 : 356,228.55 = 112,758.66 : x
  2. Step 2: Convert to fraction form
    237,459.78/356,228.55 = 112,758.66/x
  3. Step 3: Cross multiply
    237,459.78x = 356,228.55 × 112,758.66
  4. Step 4: Simplify right side
    237,459.78x = 40,167,853,951.74
  5. Step 5: Solve for x
    x = 40,167,853,951.74/237,459.78
  6. Step 6: Final answer
    x = 169,156.45

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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.