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Finding the Fourth Proportional to 115,262.58, 172,893.86 and 36,432.16

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Solution

The fourth proportional to 115,262.58, 172,893.86 and 36,432.16 is: 54,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,262.58 : 172,893.86 = 36,432.16 : x
  2. Step 2: Convert to fraction form
    115,262.58/172,893.86 = 36,432.16/x
  3. Step 3: Cross multiply
    115,262.58x = 172,893.86 × 36,432.16
  4. Step 4: Simplify right side
    115,262.58x = 6,298,896,770.54
  5. Step 5: Solve for x
    x = 6,298,896,770.54/115,262.58
  6. Step 6: Final answer
    x = 54,648.24

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1.5x scale

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.