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Finding the Fourth Proportional to 88,102.93, 121,584.26 and 47,818.39

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Solution

The fourth proportional to 88,102.93, 121,584.26 and 47,818.39 is: 65,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,102.93 : 121,584.26 = 47,818.39 : x
  2. Step 2: Convert to fraction form
    88,102.93/121,584.26 = 47,818.39/x
  3. Step 3: Cross multiply
    88,102.93x = 121,584.26 × 47,818.39
  4. Step 4: Simplify right side
    88,102.93x = 5,813,963,562.54
  5. Step 5: Solve for x
    x = 5,813,963,562.54/88,102.93
  6. Step 6: Final answer
    x = 65,990.58

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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.