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Finding the Fourth Proportional to 88,969.52, 122,774.28 and 53,179.27

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Solution

The fourth proportional to 88,969.52, 122,774.28 and 53,179.27 is: 73,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,969.52 : 122,774.28 = 53,179.27 : x
  2. Step 2: Convert to fraction form
    88,969.52/122,774.28 = 53,179.27/x
  3. Step 3: Cross multiply
    88,969.52x = 122,774.28 × 53,179.27
  4. Step 4: Simplify right side
    88,969.52x = 6,529,046,377.95
  5. Step 5: Solve for x
    x = 6,529,046,377.95/88,969.52
  6. Step 6: Final answer
    x = 73,385.20

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1.5x scale

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.