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Finding the Fourth Proportional to 88,976.57, 122,775.57 and 53,159.00

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Solution

The fourth proportional to 88,976.57, 122,775.57 and 53,159.00 is: 73,352.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,976.57 : 122,775.57 = 53,159.00 : x
  2. Step 2: Convert to fraction form
    88,976.57/122,775.57 = 53,159.00/x
  3. Step 3: Cross multiply
    88,976.57x = 122,775.57 × 53,159.00
  4. Step 4: Simplify right side
    88,976.57x = 6,526,625,911.75
  5. Step 5: Solve for x
    x = 6,526,625,911.75/88,976.57
  6. Step 6: Final answer
    x = 73,352.19

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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.