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Finding the Fourth Proportional to 96,597.60, 144,896.40 and 87,266.40

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Solution

The fourth proportional to 96,597.60, 144,896.40 and 87,266.40 is: 130,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,597.60 : 144,896.40 = 87,266.40 : x
  2. Step 2: Convert to fraction form
    96,597.60/144,896.40 = 87,266.40/x
  3. Step 3: Cross multiply
    96,597.60x = 144,896.40 × 87,266.40
  4. Step 4: Simplify right side
    96,597.60x = 12,644,587,200.96
  5. Step 5: Solve for x
    x = 12,644,587,200.96/96,597.60
  6. Step 6: Final answer
    x = 130,899.60

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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.