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Finding the Fourth Proportional to 202,877.73, 279,979.51 and 112,232.13

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Solution

The fourth proportional to 202,877.73, 279,979.51 and 112,232.13 is: 154,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,877.73 : 279,979.51 = 112,232.13 : x
  2. Step 2: Convert to fraction form
    202,877.73/279,979.51 = 112,232.13/x
  3. Step 3: Cross multiply
    202,877.73x = 279,979.51 × 112,232.13
  4. Step 4: Simplify right side
    202,877.73x = 31,422,696,763.66
  5. Step 5: Solve for x
    x = 31,422,696,763.66/202,877.73
  6. Step 6: Final answer
    x = 154,884.90

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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.