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Finding the Fourth Proportional to 82,995.60, 124,500.42 and 35,612.76

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Solution

The fourth proportional to 82,995.60, 124,500.42 and 35,612.76 is: 53,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,995.60 : 124,500.42 = 35,612.76 : x
  2. Step 2: Convert to fraction form
    82,995.60/124,500.42 = 35,612.76/x
  3. Step 3: Cross multiply
    82,995.60x = 124,500.42 × 35,612.76
  4. Step 4: Simplify right side
    82,995.60x = 4,433,803,577.36
  5. Step 5: Solve for x
    x = 4,433,803,577.36/82,995.60
  6. Step 6: Final answer
    x = 53,422.15

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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.