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Finding the Fourth Proportional to 98,171.48, 135,472.82 and 59,994.86

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Solution

The fourth proportional to 98,171.48, 135,472.82 and 59,994.86 is: 82,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,171.48 : 135,472.82 = 59,994.86 : x
  2. Step 2: Convert to fraction form
    98,171.48/135,472.82 = 59,994.86/x
  3. Step 3: Cross multiply
    98,171.48x = 135,472.82 × 59,994.86
  4. Step 4: Simplify right side
    98,171.48x = 8,127,672,869.71
  5. Step 5: Solve for x
    x = 8,127,672,869.71/98,171.48
  6. Step 6: Final answer
    x = 82,790.57

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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.