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Finding the Fourth Proportional to 173,281.92, 239,130 and 101,663.34

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Solution

The fourth proportional to 173,281.92, 239,130 and 101,663.34 is: 140,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,281.92 : 239,130 = 101,663.34 : x
  2. Step 2: Convert to fraction form
    173,281.92/239,130 = 101,663.34/x
  3. Step 3: Cross multiply
    173,281.92x = 239,130 × 101,663.34
  4. Step 4: Simplify right side
    173,281.92x = 24,310,754,494.20
  5. Step 5: Solve for x
    x = 24,310,754,494.20/173,281.92
  6. Step 6: Final answer
    x = 140,295.97

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1.5x scale

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.