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Finding the Fourth Proportional to 130,172.60, 195,040.20 and 63,469.10

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Solution

The fourth proportional to 130,172.60, 195,040.20 and 63,469.10 is: 95,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,172.60 : 195,040.20 = 63,469.10 : x
  2. Step 2: Convert to fraction form
    130,172.60/195,040.20 = 63,469.10/x
  3. Step 3: Cross multiply
    130,172.60x = 195,040.20 × 63,469.10
  4. Step 4: Simplify right side
    130,172.60x = 12,379,025,957.82
  5. Step 5: Solve for x
    x = 12,379,025,957.82/130,172.60
  6. Step 6: Final answer
    x = 95,097.02

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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.