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Finding the Fourth Proportional to 101,587.76, 152,339.52 and 38,396.96

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Solution

The fourth proportional to 101,587.76, 152,339.52 and 38,396.96 is: 57,579.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,587.76 : 152,339.52 = 38,396.96 : x
  2. Step 2: Convert to fraction form
    101,587.76/152,339.52 = 38,396.96/x
  3. Step 3: Cross multiply
    101,587.76x = 152,339.52 × 38,396.96
  4. Step 4: Simplify right side
    101,587.76x = 5,849,374,455.86
  5. Step 5: Solve for x
    x = 5,849,374,455.86/101,587.76
  6. Step 6: Final answer
    x = 57,579.52

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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.