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Finding the Fourth Proportional to 202,866.76, 279,951.06 and 112,227.76

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Solution

The fourth proportional to 202,866.76, 279,951.06 and 112,227.76 is: 154,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,866.76 : 279,951.06 = 112,227.76 : x
  2. Step 2: Convert to fraction form
    202,866.76/279,951.06 = 112,227.76/x
  3. Step 3: Cross multiply
    202,866.76x = 279,951.06 × 112,227.76
  4. Step 4: Simplify right side
    202,866.76x = 31,418,280,373.43
  5. Step 5: Solve for x
    x = 31,418,280,373.43/202,866.76
  6. Step 6: Final answer
    x = 154,871.50

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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.