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Finding the Fourth Proportional to 207,667.76, 286,581.49 and 112,174.47

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Solution

The fourth proportional to 207,667.76, 286,581.49 and 112,174.47 is: 154,800.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,667.76 : 286,581.49 = 112,174.47 : x
  2. Step 2: Convert to fraction form
    207,667.76/286,581.49 = 112,174.47/x
  3. Step 3: Cross multiply
    207,667.76x = 286,581.49 × 112,174.47
  4. Step 4: Simplify right side
    207,667.76x = 32,147,125,319.65
  5. Step 5: Solve for x
    x = 32,147,125,319.65/207,667.76
  6. Step 6: Final answer
    x = 154,800.75

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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.