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Finding the Fourth Proportional to 111,883.92, 167,776.64 and 59,281.28

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Solution

The fourth proportional to 111,883.92, 167,776.64 and 59,281.28 is: 88,895.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,883.92 : 167,776.64 = 59,281.28 : x
  2. Step 2: Convert to fraction form
    111,883.92/167,776.64 = 59,281.28/x
  3. Step 3: Cross multiply
    111,883.92x = 167,776.64 × 59,281.28
  4. Step 4: Simplify right side
    111,883.92x = 9,946,013,973.30
  5. Step 5: Solve for x
    x = 9,946,013,973.30/111,883.92
  6. Step 6: Final answer
    x = 88,895.83

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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.