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Finding the Fourth Proportional to 88,587.68, 132,894.90 and 28,596.11

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Solution

The fourth proportional to 88,587.68, 132,894.90 and 28,596.11 is: 42,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,587.68 : 132,894.90 = 28,596.11 : x
  2. Step 2: Convert to fraction form
    88,587.68/132,894.90 = 28,596.11/x
  3. Step 3: Cross multiply
    88,587.68x = 132,894.90 × 28,596.11
  4. Step 4: Simplify right side
    88,587.68x = 3,800,276,514.36
  5. Step 5: Solve for x
    x = 3,800,276,514.36/88,587.68
  6. Step 6: Final answer
    x = 42,898.48

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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.