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Finding the Fourth Proportional to 175,118.76, 241,673.22 and 99,691.56

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Solution

The fourth proportional to 175,118.76, 241,673.22 and 99,691.56 is: 137,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,118.76 : 241,673.22 = 99,691.56 : x
  2. Step 2: Convert to fraction form
    175,118.76/241,673.22 = 99,691.56/x
  3. Step 3: Cross multiply
    175,118.76x = 241,673.22 × 99,691.56
  4. Step 4: Simplify right side
    175,118.76x = 24,092,780,312.02
  5. Step 5: Solve for x
    x = 24,092,780,312.02/175,118.76
  6. Step 6: Final answer
    x = 137,579.66

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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.