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Finding the Fourth Proportional to 160,360.95, 221,294.95 and 88,740.96

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Solution

The fourth proportional to 160,360.95, 221,294.95 and 88,740.96 is: 122,460.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,360.95 : 221,294.95 = 88,740.96 : x
  2. Step 2: Convert to fraction form
    160,360.95/221,294.95 = 88,740.96/x
  3. Step 3: Cross multiply
    160,360.95x = 221,294.95 × 88,740.96
  4. Step 4: Simplify right side
    160,360.95x = 19,637,926,306.15
  5. Step 5: Solve for x
    x = 19,637,926,306.15/160,360.95
  6. Step 6: Final answer
    x = 122,460.78

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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.