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Finding the Fourth Proportional to 202,693.92, 279,715.75 and 112,052.22

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Solution

The fourth proportional to 202,693.92, 279,715.75 and 112,052.22 is: 154,631.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,693.92 : 279,715.75 = 112,052.22 : x
  2. Step 2: Convert to fraction form
    202,693.92/279,715.75 = 112,052.22/x
  3. Step 3: Cross multiply
    202,693.92x = 279,715.75 × 112,052.22
  4. Step 4: Simplify right side
    202,693.92x = 31,342,770,756.47
  5. Step 5: Solve for x
    x = 31,342,770,756.47/202,693.92
  6. Step 6: Final answer
    x = 154,631.04

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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.