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Finding the Fourth Proportional to 163,776.88, 245,668.20 and 58,671.28

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Solution

The fourth proportional to 163,776.88, 245,668.20 and 58,671.28 is: 88,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,776.88 : 245,668.20 = 58,671.28 : x
  2. Step 2: Convert to fraction form
    163,776.88/245,668.20 = 58,671.28/x
  3. Step 3: Cross multiply
    163,776.88x = 245,668.20 × 58,671.28
  4. Step 4: Simplify right side
    163,776.88x = 14,413,667,749.30
  5. Step 5: Solve for x
    x = 14,413,667,749.30/163,776.88
  6. Step 6: Final answer
    x = 88,007.95

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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.