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Finding the Fourth Proportional to 130,951.60, 196,297.80 and 64,337.20

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Solution

The fourth proportional to 130,951.60, 196,297.80 and 64,337.20 is: 96,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,951.60 : 196,297.80 = 64,337.20 : x
  2. Step 2: Convert to fraction form
    130,951.60/196,297.80 = 64,337.20/x
  3. Step 3: Cross multiply
    130,951.60x = 196,297.80 × 64,337.20
  4. Step 4: Simplify right side
    130,951.60x = 12,629,250,818.16
  5. Step 5: Solve for x
    x = 12,629,250,818.16/130,951.60
  6. Step 6: Final answer
    x = 96,442.13

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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.