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Finding the Fourth Proportional to 216,357.52, 324,498.84 and 58,549.12

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Solution

The fourth proportional to 216,357.52, 324,498.84 and 58,549.12 is: 87,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,357.52 : 324,498.84 = 58,549.12 : x
  2. Step 2: Convert to fraction form
    216,357.52/324,498.84 = 58,549.12/x
  3. Step 3: Cross multiply
    216,357.52x = 324,498.84 × 58,549.12
  4. Step 4: Simplify right side
    216,357.52x = 18,999,121,523.02
  5. Step 5: Solve for x
    x = 18,999,121,523.02/216,357.52
  6. Step 6: Final answer
    x = 87,813.55

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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.