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Finding the Fourth Proportional to 218,671.52, 328,026.08 and 60,899.98

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Solution

The fourth proportional to 218,671.52, 328,026.08 and 60,899.98 is: 91,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,671.52 : 328,026.08 = 60,899.98 : x
  2. Step 2: Convert to fraction form
    218,671.52/328,026.08 = 60,899.98/x
  3. Step 3: Cross multiply
    218,671.52x = 328,026.08 × 60,899.98
  4. Step 4: Simplify right side
    218,671.52x = 19,976,780,564.86
  5. Step 5: Solve for x
    x = 19,976,780,564.86/218,671.52
  6. Step 6: Final answer
    x = 91,355.20

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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.