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Finding the Fourth Proportional to 176,324.68, 243,207.30 and 112,634.20

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Solution

The fourth proportional to 176,324.68, 243,207.30 and 112,634.20 is: 155,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,324.68 : 243,207.30 = 112,634.20 : x
  2. Step 2: Convert to fraction form
    176,324.68/243,207.30 = 112,634.20/x
  3. Step 3: Cross multiply
    176,324.68x = 243,207.30 × 112,634.20
  4. Step 4: Simplify right side
    176,324.68x = 27,393,459,669.66
  5. Step 5: Solve for x
    x = 27,393,459,669.66/176,324.68
  6. Step 6: Final answer
    x = 155,358.06

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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.