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Finding the Fourth Proportional to 237,429.70, 355,842.15 and 97,029.70

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Solution

The fourth proportional to 237,429.70, 355,842.15 and 97,029.70 is: 145,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,429.70 : 355,842.15 = 97,029.70 : x
  2. Step 2: Convert to fraction form
    237,429.70/355,842.15 = 97,029.70/x
  3. Step 3: Cross multiply
    237,429.70x = 355,842.15 × 97,029.70
  4. Step 4: Simplify right side
    237,429.70x = 34,527,257,061.86
  5. Step 5: Solve for x
    x = 34,527,257,061.86/237,429.70
  6. Step 6: Final answer
    x = 145,420.97

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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.