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Finding the Fourth Proportional to 98,259.87, 135,560.12 and 60,468.51

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Solution

The fourth proportional to 98,259.87, 135,560.12 and 60,468.51 is: 83,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,259.87 : 135,560.12 = 60,468.51 : x
  2. Step 2: Convert to fraction form
    98,259.87/135,560.12 = 60,468.51/x
  3. Step 3: Cross multiply
    98,259.87x = 135,560.12 × 60,468.51
  4. Step 4: Simplify right side
    98,259.87x = 8,197,117,794.02
  5. Step 5: Solve for x
    x = 8,197,117,794.02/98,259.87
  6. Step 6: Final answer
    x = 83,422.85

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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.