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Finding the Fourth Proportional to 88,253.73, 121,791.08 and 47,967.49

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Solution

The fourth proportional to 88,253.73, 121,791.08 and 47,967.49 is: 66,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,253.73 : 121,791.08 = 47,967.49 : x
  2. Step 2: Convert to fraction form
    88,253.73/121,791.08 = 47,967.49/x
  3. Step 3: Cross multiply
    88,253.73x = 121,791.08 × 47,967.49
  4. Step 4: Simplify right side
    88,253.73x = 5,842,012,411.99
  5. Step 5: Solve for x
    x = 5,842,012,411.99/88,253.73
  6. Step 6: Final answer
    x = 66,195.64

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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.