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Finding the Fourth Proportional to 88,915.60, 133,373.40 and 83,846.80

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Solution

The fourth proportional to 88,915.60, 133,373.40 and 83,846.80 is: 125,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,915.60 : 133,373.40 = 83,846.80 : x
  2. Step 2: Convert to fraction form
    88,915.60/133,373.40 = 83,846.80/x
  3. Step 3: Cross multiply
    88,915.60x = 133,373.40 × 83,846.80
  4. Step 4: Simplify right side
    88,915.60x = 11,182,932,795.12
  5. Step 5: Solve for x
    x = 11,182,932,795.12/88,915.60
  6. Step 6: Final answer
    x = 125,770.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.