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Finding the Fourth Proportional to 247,209.64, 370,949.02 and 105,032.68

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Solution

The fourth proportional to 247,209.64, 370,949.02 and 105,032.68 is: 157,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,209.64 : 370,949.02 = 105,032.68 : x
  2. Step 2: Convert to fraction form
    247,209.64/370,949.02 = 105,032.68/x
  3. Step 3: Cross multiply
    247,209.64x = 370,949.02 × 105,032.68
  4. Step 4: Simplify right side
    247,209.64x = 38,961,769,713.97
  5. Step 5: Solve for x
    x = 38,961,769,713.97/247,209.64
  6. Step 6: Final answer
    x = 157,606.19

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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.