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Finding the Fourth Proportional to 240,866.64, 359,834.89 and 155,934.88

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Solution

The fourth proportional to 240,866.64, 359,834.89 and 155,934.88 is: 232,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,866.64 : 359,834.89 = 155,934.88 : x
  2. Step 2: Convert to fraction form
    240,866.64/359,834.89 = 155,934.88/x
  3. Step 3: Cross multiply
    240,866.64x = 359,834.89 × 155,934.88
  4. Step 4: Simplify right side
    240,866.64x = 56,110,810,391.96
  5. Step 5: Solve for x
    x = 56,110,810,391.96/240,866.64
  6. Step 6: Final answer
    x = 232,953.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.