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Finding the Fourth Proportional to 216,538.57, 324,808.02 and 58,767.02

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Solution

The fourth proportional to 216,538.57, 324,808.02 and 58,767.02 is: 88,150.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,538.57 : 324,808.02 = 58,767.02 : x
  2. Step 2: Convert to fraction form
    216,538.57/324,808.02 = 58,767.02/x
  3. Step 3: Cross multiply
    216,538.57x = 324,808.02 × 58,767.02
  4. Step 4: Simplify right side
    216,538.57x = 19,087,999,113.67
  5. Step 5: Solve for x
    x = 19,087,999,113.67/216,538.57
  6. Step 6: Final answer
    x = 88,150.58

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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.