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Finding the Fourth Proportional to 215,326.94, 322,867.33 and 65,522.93

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Solution

The fourth proportional to 215,326.94, 322,867.33 and 65,522.93 is: 98,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,326.94 : 322,867.33 = 65,522.93 : x
  2. Step 2: Convert to fraction form
    215,326.94/322,867.33 = 65,522.93/x
  3. Step 3: Cross multiply
    215,326.94x = 322,867.33 × 65,522.93
  4. Step 4: Simplify right side
    215,326.94x = 21,155,211,684.73
  5. Step 5: Solve for x
    x = 21,155,211,684.73/215,326.94
  6. Step 6: Final answer
    x = 98,246.94

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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.