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Finding the Fourth Proportional to 88,135.84, 121,627.50 and 47,849.56

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Solution

The fourth proportional to 88,135.84, 121,627.50 and 47,849.56 is: 66,032.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,135.84 : 121,627.50 = 47,849.56 : x
  2. Step 2: Convert to fraction form
    88,135.84/121,627.50 = 47,849.56/x
  3. Step 3: Cross multiply
    88,135.84x = 121,627.50 × 47,849.56
  4. Step 4: Simplify right side
    88,135.84x = 5,819,822,358.90
  5. Step 5: Solve for x
    x = 5,819,822,358.90/88,135.84
  6. Step 6: Final answer
    x = 66,032.41

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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.