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Finding the Fourth Proportional to 88,007.65, 132,011.48 and 31,847.65

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Solution

The fourth proportional to 88,007.65, 132,011.48 and 31,847.65 is: 47,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,007.65 : 132,011.48 = 31,847.65 : x
  2. Step 2: Convert to fraction form
    88,007.65/132,011.48 = 31,847.65/x
  3. Step 3: Cross multiply
    88,007.65x = 132,011.48 × 31,847.65
  4. Step 4: Simplify right side
    88,007.65x = 4,204,255,251.78
  5. Step 5: Solve for x
    x = 4,204,255,251.78/88,007.65
  6. Step 6: Final answer
    x = 47,771.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.