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Finding the Fourth Proportional to 88,280.88, 121,827.51 and 47,994.54

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Solution

The fourth proportional to 88,280.88, 121,827.51 and 47,994.54 is: 66,232.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,280.88 : 121,827.51 = 47,994.54 : x
  2. Step 2: Convert to fraction form
    88,280.88/121,827.51 = 47,994.54/x
  3. Step 3: Cross multiply
    88,280.88x = 121,827.51 × 47,994.54
  4. Step 4: Simplify right side
    88,280.88x = 5,847,055,301.80
  5. Step 5: Solve for x
    x = 5,847,055,301.80/88,280.88
  6. Step 6: Final answer
    x = 66,232.41

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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.