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Finding the Fourth Proportional to 88,963.46, 122,768.48 and 48,676.70

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Solution

The fourth proportional to 88,963.46, 122,768.48 and 48,676.70 is: 67,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,963.46 : 122,768.48 = 48,676.70 : x
  2. Step 2: Convert to fraction form
    88,963.46/122,768.48 = 48,676.70/x
  3. Step 3: Cross multiply
    88,963.46x = 122,768.48 × 48,676.70
  4. Step 4: Simplify right side
    88,963.46x = 5,975,964,470.42
  5. Step 5: Solve for x
    x = 5,975,964,470.42/88,963.46
  6. Step 6: Final answer
    x = 67,173.25

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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.