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Finding the Fourth Proportional to 160,522.50, 221,521.79 and 88,901.02

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Solution

The fourth proportional to 160,522.50, 221,521.79 and 88,901.02 is: 122,683.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,522.50 : 221,521.79 = 88,901.02 : x
  2. Step 2: Convert to fraction form
    160,522.50/221,521.79 = 88,901.02/x
  3. Step 3: Cross multiply
    160,522.50x = 221,521.79 × 88,901.02
  4. Step 4: Simplify right side
    160,522.50x = 19,693,513,083.23
  5. Step 5: Solve for x
    x = 19,693,513,083.23/160,522.50
  6. Step 6: Final answer
    x = 122,683.82

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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.