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Finding the Fourth Proportional to 202,752.59, 279,666.76 and 130,040.31

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Solution

The fourth proportional to 202,752.59, 279,666.76 and 130,040.31 is: 179,371.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,752.59 : 279,666.76 = 130,040.31 : x
  2. Step 2: Convert to fraction form
    202,752.59/279,666.76 = 130,040.31/x
  3. Step 3: Cross multiply
    202,752.59x = 279,666.76 × 130,040.31
  4. Step 4: Simplify right side
    202,752.59x = 36,367,952,167.10
  5. Step 5: Solve for x
    x = 36,367,952,167.10/202,752.59
  6. Step 6: Final answer
    x = 179,371.09

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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.