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Finding the Fourth Proportional to 216,490.08, 324,788.08 and 152,572.94

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Solution

The fourth proportional to 216,490.08, 324,788.08 and 152,572.94 is: 228,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,490.08 : 324,788.08 = 152,572.94 : x
  2. Step 2: Convert to fraction form
    216,490.08/324,788.08 = 152,572.94/x
  3. Step 3: Cross multiply
    216,490.08x = 324,788.08 × 152,572.94
  4. Step 4: Simplify right side
    216,490.08x = 49,553,872,225.57
  5. Step 5: Solve for x
    x = 49,553,872,225.57/216,490.08
  6. Step 6: Final answer
    x = 228,896.73

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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.