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Finding the Fourth Proportional to 160,087.86, 220,902.45 and 88,463.61

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Solution

The fourth proportional to 160,087.86, 220,902.45 and 88,463.61 is: 122,069.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,087.86 : 220,902.45 = 88,463.61 : x
  2. Step 2: Convert to fraction form
    160,087.86/220,902.45 = 88,463.61/x
  3. Step 3: Cross multiply
    160,087.86x = 220,902.45 × 88,463.61
  4. Step 4: Simplify right side
    160,087.86x = 19,541,828,184.84
  5. Step 5: Solve for x
    x = 19,541,828,184.84/160,087.86
  6. Step 6: Final answer
    x = 122,069.39

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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.