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Finding the Fourth Proportional to 173,489.52, 239,376.96 and 100,881.12

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Solution

The fourth proportional to 173,489.52, 239,376.96 and 100,881.12 is: 139,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,489.52 : 239,376.96 = 100,881.12 : x
  2. Step 2: Convert to fraction form
    173,489.52/239,376.96 = 100,881.12/x
  3. Step 3: Cross multiply
    173,489.52x = 239,376.96 × 100,881.12
  4. Step 4: Simplify right side
    173,489.52x = 24,148,615,827.00
  5. Step 5: Solve for x
    x = 24,148,615,827.00/173,489.52
  6. Step 6: Final answer
    x = 139,193.51

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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.