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Finding the Fourth Proportional to 173,558, 239,510.20 and 94,070

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Solution

The fourth proportional to 173,558, 239,510.20 and 94,070 is: 129,816.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,558 : 239,510.20 = 94,070 : x
  2. Step 2: Convert to fraction form
    173,558/239,510.20 = 94,070/x
  3. Step 3: Cross multiply
    173,558x = 239,510.20 × 94,070
  4. Step 4: Simplify right side
    173,558x = 22,530,724,514
  5. Step 5: Solve for x
    x = 22,530,724,514/173,558
  6. Step 6: Final answer
    x = 129,816.69

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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.