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Finding the Fourth Proportional to 88,043.56, 121,492.71 and 49,801.13

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Solution

The fourth proportional to 88,043.56, 121,492.71 and 49,801.13 is: 68,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,043.56 : 121,492.71 = 49,801.13 : x
  2. Step 2: Convert to fraction form
    88,043.56/121,492.71 = 49,801.13/x
  3. Step 3: Cross multiply
    88,043.56x = 121,492.71 × 49,801.13
  4. Step 4: Simplify right side
    88,043.56x = 6,050,474,092.90
  5. Step 5: Solve for x
    x = 6,050,474,092.90/88,043.56
  6. Step 6: Final answer
    x = 68,721.37

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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.