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Finding the Fourth Proportional to 240,854.75, 361,835.93 and 169,940.81

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Solution

The fourth proportional to 240,854.75, 361,835.93 and 169,940.81 is: 255,301.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,854.75 : 361,835.93 = 169,940.81 : x
  2. Step 2: Convert to fraction form
    240,854.75/361,835.93 = 169,940.81/x
  3. Step 3: Cross multiply
    240,854.75x = 361,835.93 × 169,940.81
  4. Step 4: Simplify right side
    240,854.75x = 61,490,688,372.42
  5. Step 5: Solve for x
    x = 61,490,688,372.42/240,854.75
  6. Step 6: Final answer
    x = 255,301.96

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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.