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Finding the Fourth Proportional to 181,615.84, 250,487.85 and 117,974.14

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Solution

The fourth proportional to 181,615.84, 250,487.85 and 117,974.14 is: 162,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,615.84 : 250,487.85 = 117,974.14 : x
  2. Step 2: Convert to fraction form
    181,615.84/250,487.85 = 117,974.14/x
  3. Step 3: Cross multiply
    181,615.84x = 250,487.85 × 117,974.14
  4. Step 4: Simplify right side
    181,615.84x = 29,551,088,684.20
  5. Step 5: Solve for x
    x = 29,551,088,684.20/181,615.84
  6. Step 6: Final answer
    x = 162,712.07

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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.