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Finding the Fourth Proportional to 268,411.01, 402,550.08 and 160,369.86

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Solution

The fourth proportional to 268,411.01, 402,550.08 and 160,369.86 is: 240,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,411.01 : 402,550.08 = 160,369.86 : x
  2. Step 2: Convert to fraction form
    268,411.01/402,550.08 = 160,369.86/x
  3. Step 3: Cross multiply
    268,411.01x = 402,550.08 × 160,369.86
  4. Step 4: Simplify right side
    268,411.01x = 64,556,899,972.59
  5. Step 5: Solve for x
    x = 64,556,899,972.59/268,411.01
  6. Step 6: Final answer
    x = 240,515.10

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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.