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Finding the Fourth Proportional to 163,712.88, 245,569.32 and 108,295.92

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Solution

The fourth proportional to 163,712.88, 245,569.32 and 108,295.92 is: 162,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,712.88 : 245,569.32 = 108,295.92 : x
  2. Step 2: Convert to fraction form
    163,712.88/245,569.32 = 108,295.92/x
  3. Step 3: Cross multiply
    163,712.88x = 245,569.32 × 108,295.92
  4. Step 4: Simplify right side
    163,712.88x = 26,594,155,433.17
  5. Step 5: Solve for x
    x = 26,594,155,433.17/163,712.88
  6. Step 6: Final answer
    x = 162,443.88

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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.