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Finding the Fourth Proportional to 94,494.60, 130,481.46 and 84,405.24

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Solution

The fourth proportional to 94,494.60, 130,481.46 and 84,405.24 is: 116,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,494.60 : 130,481.46 = 84,405.24 : x
  2. Step 2: Convert to fraction form
    94,494.60/130,481.46 = 84,405.24/x
  3. Step 3: Cross multiply
    94,494.60x = 130,481.46 × 84,405.24
  4. Step 4: Simplify right side
    94,494.60x = 11,013,318,946.85
  5. Step 5: Solve for x
    x = 11,013,318,946.85/94,494.60
  6. Step 6: Final answer
    x = 116,549.72

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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.