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Finding the Fourth Proportional to 163,095.52, 225,156.16 and 126,715.68

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Solution

The fourth proportional to 163,095.52, 225,156.16 and 126,715.68 is: 174,933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,095.52 : 225,156.16 = 126,715.68 : x
  2. Step 2: Convert to fraction form
    163,095.52/225,156.16 = 126,715.68/x
  3. Step 3: Cross multiply
    163,095.52x = 225,156.16 × 126,715.68
  4. Step 4: Simplify right side
    163,095.52x = 28,530,815,920.59
  5. Step 5: Solve for x
    x = 28,530,815,920.59/163,095.52
  6. Step 6: Final answer
    x = 174,933.17

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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.