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Finding the Fourth Proportional to 247,110.71, 370,790.83 and 112,088.73

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Solution

The fourth proportional to 247,110.71, 370,790.83 and 112,088.73 is: 168,189.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,110.71 : 370,790.83 = 112,088.73 : x
  2. Step 2: Convert to fraction form
    247,110.71/370,790.83 = 112,088.73/x
  3. Step 3: Cross multiply
    247,110.71x = 370,790.83 × 112,088.73
  4. Step 4: Simplify right side
    247,110.71x = 41,561,472,044.72
  5. Step 5: Solve for x
    x = 41,561,472,044.72/247,110.71
  6. Step 6: Final answer
    x = 168,189.69

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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.