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Finding the Fourth Proportional to 88,668.64, 132,973.92 and 29,488

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Solution

The fourth proportional to 88,668.64, 132,973.92 and 29,488 is: 44,222.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,668.64 : 132,973.92 = 29,488 : x
  2. Step 2: Convert to fraction form
    88,668.64/132,973.92 = 29,488/x
  3. Step 3: Cross multiply
    88,668.64x = 132,973.92 × 29,488
  4. Step 4: Simplify right side
    88,668.64x = 3,921,134,952.96
  5. Step 5: Solve for x
    x = 3,921,134,952.96/88,668.64
  6. Step 6: Final answer
    x = 44,222.34

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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.