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Finding the Fourth Proportional to 160,988.80, 241,592.55 and 89,911.30

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Solution

The fourth proportional to 160,988.80, 241,592.55 and 89,911.30 is: 134,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,988.80 : 241,592.55 = 89,911.30 : x
  2. Step 2: Convert to fraction form
    160,988.80/241,592.55 = 89,911.30/x
  3. Step 3: Cross multiply
    160,988.80x = 241,592.55 × 89,911.30
  4. Step 4: Simplify right side
    160,988.80x = 21,721,900,240.82
  5. Step 5: Solve for x
    x = 21,721,900,240.82/160,988.80
  6. Step 6: Final answer
    x = 134,928.02

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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.