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Finding the Fourth Proportional to 160,488.96, 221,465.28 and 88,864.96

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Solution

The fourth proportional to 160,488.96, 221,465.28 and 88,864.96 is: 122,628.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,488.96 : 221,465.28 = 88,864.96 : x
  2. Step 2: Convert to fraction form
    160,488.96/221,465.28 = 88,864.96/x
  3. Step 3: Cross multiply
    160,488.96x = 221,465.28 × 88,864.96
  4. Step 4: Simplify right side
    160,488.96x = 19,680,503,248.59
  5. Step 5: Solve for x
    x = 19,680,503,248.59/160,488.96
  6. Step 6: Final answer
    x = 122,628.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.