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Finding the Fourth Proportional to 240,787, 359,716.18 and 155,855.24

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Solution

The fourth proportional to 240,787, 359,716.18 and 155,855.24 is: 232,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,787 : 359,716.18 = 155,855.24 : x
  2. Step 2: Convert to fraction form
    240,787/359,716.18 = 155,855.24/x
  3. Step 3: Cross multiply
    240,787x = 359,716.18 × 155,855.24
  4. Step 4: Simplify right side
    240,787x = 56,063,651,565.78
  5. Step 5: Solve for x
    x = 56,063,651,565.78/240,787
  6. Step 6: Final answer
    x = 232,835.04

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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.