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Finding the Fourth Proportional to 64,165.50, 96,248.25 and 26,743.20

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Solution

The fourth proportional to 64,165.50, 96,248.25 and 26,743.20 is: 40,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,165.50 : 96,248.25 = 26,743.20 : x
  2. Step 2: Convert to fraction form
    64,165.50/96,248.25 = 26,743.20/x
  3. Step 3: Cross multiply
    64,165.50x = 96,248.25 × 26,743.20
  4. Step 4: Simplify right side
    64,165.50x = 2,573,986,199.40
  5. Step 5: Solve for x
    x = 2,573,986,199.40/64,165.50
  6. Step 6: Final answer
    x = 40,114.80

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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.