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Finding the Fourth Proportional to 182,012.40, 272,953.80 and 82,220.40

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Solution

The fourth proportional to 182,012.40, 272,953.80 and 82,220.40 is: 123,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,012.40 : 272,953.80 = 82,220.40 : x
  2. Step 2: Convert to fraction form
    182,012.40/272,953.80 = 82,220.40/x
  3. Step 3: Cross multiply
    182,012.40x = 272,953.80 × 82,220.40
  4. Step 4: Simplify right side
    182,012.40x = 22,442,370,617.52
  5. Step 5: Solve for x
    x = 22,442,370,617.52/182,012.40
  6. Step 6: Final answer
    x = 123,301.33

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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.