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Finding the Fourth Proportional to 130,655.25, 195,850.56 and 88,539.63

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Solution

The fourth proportional to 130,655.25, 195,850.56 and 88,539.63 is: 132,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,655.25 : 195,850.56 = 88,539.63 : x
  2. Step 2: Convert to fraction form
    130,655.25/195,850.56 = 88,539.63/x
  3. Step 3: Cross multiply
    130,655.25x = 195,850.56 × 88,539.63
  4. Step 4: Simplify right side
    130,655.25x = 17,340,536,117.69
  5. Step 5: Solve for x
    x = 17,340,536,117.69/130,655.25
  6. Step 6: Final answer
    x = 132,719.78

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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.