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Finding the Fourth Proportional to 182,478.80, 273,871.80 and 89,064.40

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Solution

The fourth proportional to 182,478.80, 273,871.80 and 89,064.40 is: 133,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,478.80 : 273,871.80 = 89,064.40 : x
  2. Step 2: Convert to fraction form
    182,478.80/273,871.80 = 89,064.40/x
  3. Step 3: Cross multiply
    182,478.80x = 273,871.80 × 89,064.40
  4. Step 4: Simplify right side
    182,478.80x = 24,392,227,543.92
  5. Step 5: Solve for x
    x = 24,392,227,543.92/182,478.80
  6. Step 6: Final answer
    x = 133,671.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.