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Finding the Fourth Proportional to 88,260.76, 121,800.07 and 47,974.47

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Solution

The fourth proportional to 88,260.76, 121,800.07 and 47,974.47 is: 66,204.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,260.76 : 121,800.07 = 47,974.47 : x
  2. Step 2: Convert to fraction form
    88,260.76/121,800.07 = 47,974.47/x
  3. Step 3: Cross multiply
    88,260.76x = 121,800.07 × 47,974.47
  4. Step 4: Simplify right side
    88,260.76x = 5,843,293,804.21
  5. Step 5: Solve for x
    x = 5,843,293,804.21/88,260.76
  6. Step 6: Final answer
    x = 66,204.89

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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.