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Finding the Fourth Proportional to 202,304.88, 279,180.56 and 112,880.88

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Solution

The fourth proportional to 202,304.88, 279,180.56 and 112,880.88 is: 155,775.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,304.88 : 279,180.56 = 112,880.88 : x
  2. Step 2: Convert to fraction form
    202,304.88/279,180.56 = 112,880.88/x
  3. Step 3: Cross multiply
    202,304.88x = 279,180.56 × 112,880.88
  4. Step 4: Simplify right side
    202,304.88x = 31,514,147,291.69
  5. Step 5: Solve for x
    x = 31,514,147,291.69/202,304.88
  6. Step 6: Final answer
    x = 155,775.52

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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.