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Finding the Fourth Proportional to 173,740.63, 239,638.47 and 159,446.61

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Solution

The fourth proportional to 173,740.63, 239,638.47 and 159,446.61 is: 219,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,740.63 : 239,638.47 = 159,446.61 : x
  2. Step 2: Convert to fraction form
    173,740.63/239,638.47 = 159,446.61/x
  3. Step 3: Cross multiply
    173,740.63x = 239,638.47 × 159,446.61
  4. Step 4: Simplify right side
    173,740.63x = 38,209,543,425.47
  5. Step 5: Solve for x
    x = 38,209,543,425.47/173,740.63
  6. Step 6: Final answer
    x = 219,922.90

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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.