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Finding the Fourth Proportional to 97,236.20, 145,854.30 and 65,743.40

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Solution

The fourth proportional to 97,236.20, 145,854.30 and 65,743.40 is: 98,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,236.20 : 145,854.30 = 65,743.40 : x
  2. Step 2: Convert to fraction form
    97,236.20/145,854.30 = 65,743.40/x
  3. Step 3: Cross multiply
    97,236.20x = 145,854.30 × 65,743.40
  4. Step 4: Simplify right side
    97,236.20x = 9,588,957,586.62
  5. Step 5: Solve for x
    x = 9,588,957,586.62/97,236.20
  6. Step 6: Final answer
    x = 98,615.10

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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.