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Finding the Fourth Proportional to 83,453.68, 115,167.54 and 45,725.68

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Solution

The fourth proportional to 83,453.68, 115,167.54 and 45,725.68 is: 63,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,453.68 : 115,167.54 = 45,725.68 : x
  2. Step 2: Convert to fraction form
    83,453.68/115,167.54 = 45,725.68/x
  3. Step 3: Cross multiply
    83,453.68x = 115,167.54 × 45,725.68
  4. Step 4: Simplify right side
    83,453.68x = 5,266,114,080.43
  5. Step 5: Solve for x
    x = 5,266,114,080.43/83,453.68
  6. Step 6: Final answer
    x = 63,102.24

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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.