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Finding the Fourth Proportional to 202,306.19, 279,182.54 and 112,882.19

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Solution

The fourth proportional to 202,306.19, 279,182.54 and 112,882.19 is: 155,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,306.19 : 279,182.54 = 112,882.19 : x
  2. Step 2: Convert to fraction form
    202,306.19/279,182.54 = 112,882.19/x
  3. Step 3: Cross multiply
    202,306.19x = 279,182.54 × 112,882.19
  4. Step 4: Simplify right side
    202,306.19x = 31,514,735,827.01
  5. Step 5: Solve for x
    x = 31,514,735,827.01/202,306.19
  6. Step 6: Final answer
    x = 155,777.42

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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.