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Finding the Fourth Proportional to 130,352.80, 195,529.20 and 41,612.80

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Solution

The fourth proportional to 130,352.80, 195,529.20 and 41,612.80 is: 62,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,352.80 : 195,529.20 = 41,612.80 : x
  2. Step 2: Convert to fraction form
    130,352.80/195,529.20 = 41,612.80/x
  3. Step 3: Cross multiply
    130,352.80x = 195,529.20 × 41,612.80
  4. Step 4: Simplify right side
    130,352.80x = 8,136,517,493.76
  5. Step 5: Solve for x
    x = 8,136,517,493.76/130,352.80
  6. Step 6: Final answer
    x = 62,419.20

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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.