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Finding the Fourth Proportional to 83,395.64, 125,037.66 and 45,973.64

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Solution

The fourth proportional to 83,395.64, 125,037.66 and 45,973.64 is: 68,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,395.64 : 125,037.66 = 45,973.64 : x
  2. Step 2: Convert to fraction form
    83,395.64/125,037.66 = 45,973.64/x
  3. Step 3: Cross multiply
    83,395.64x = 125,037.66 × 45,973.64
  4. Step 4: Simplify right side
    83,395.64x = 5,748,436,367.28
  5. Step 5: Solve for x
    x = 5,748,436,367.28/83,395.64
  6. Step 6: Final answer
    x = 68,929.70

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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.