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Finding the Fourth Proportional to 108,792.75, 150,130.10 and 60,396.78

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Solution

The fourth proportional to 108,792.75, 150,130.10 and 60,396.78 is: 83,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,792.75 : 150,130.10 = 60,396.78 : x
  2. Step 2: Convert to fraction form
    108,792.75/150,130.10 = 60,396.78/x
  3. Step 3: Cross multiply
    108,792.75x = 150,130.10 × 60,396.78
  4. Step 4: Simplify right side
    108,792.75x = 9,067,375,335.06
  5. Step 5: Solve for x
    x = 9,067,375,335.06/108,792.75
  6. Step 6: Final answer
    x = 83,345.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.