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Finding the Fourth Proportional to 65,154.60, 97,940.70 and 60,532.20

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Solution

The fourth proportional to 65,154.60, 97,940.70 and 60,532.20 is: 90,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,154.60 : 97,940.70 = 60,532.20 : x
  2. Step 2: Convert to fraction form
    65,154.60/97,940.70 = 60,532.20/x
  3. Step 3: Cross multiply
    65,154.60x = 97,940.70 × 60,532.20
  4. Step 4: Simplify right side
    65,154.60x = 5,928,566,040.54
  5. Step 5: Solve for x
    x = 5,928,566,040.54/65,154.60
  6. Step 6: Final answer
    x = 90,992.29

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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.