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Finding the Fourth Proportional to 342,254.34, 513,250.02 and 117,572.76

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Solution

The fourth proportional to 342,254.34, 513,250.02 and 117,572.76 is: 176,313.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,254.34 : 513,250.02 = 117,572.76 : x
  2. Step 2: Convert to fraction form
    342,254.34/513,250.02 = 117,572.76/x
  3. Step 3: Cross multiply
    342,254.34x = 513,250.02 × 117,572.76
  4. Step 4: Simplify right side
    342,254.34x = 60,344,221,421.46
  5. Step 5: Solve for x
    x = 60,344,221,421.46/342,254.34
  6. Step 6: Final answer
    x = 176,313.97

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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.