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Finding the Fourth Proportional to 221,295.96, 331,944.03 and 94,854.06

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Solution

The fourth proportional to 221,295.96, 331,944.03 and 94,854.06 is: 142,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,295.96 : 331,944.03 = 94,854.06 : x
  2. Step 2: Convert to fraction form
    221,295.96/331,944.03 = 94,854.06/x
  3. Step 3: Cross multiply
    221,295.96x = 331,944.03 × 94,854.06
  4. Step 4: Simplify right side
    221,295.96x = 31,486,238,938.26
  5. Step 5: Solve for x
    x = 31,486,238,938.26/221,295.96
  6. Step 6: Final answer
    x = 142,281.13

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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.