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Finding the Fourth Proportional to 155,451.10, 233,176.65 and 155,451.10

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Solution

The fourth proportional to 155,451.10, 233,176.65 and 155,451.10 is: 233,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,451.10 : 233,176.65 = 155,451.10 : x
  2. Step 2: Convert to fraction form
    155,451.10/233,176.65 = 155,451.10/x
  3. Step 3: Cross multiply
    155,451.10x = 233,176.65 × 155,451.10
  4. Step 4: Simplify right side
    155,451.10x = 36,247,566,736.82
  5. Step 5: Solve for x
    x = 36,247,566,736.82/155,451.10
  6. Step 6: Final answer
    x = 233,176.65

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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.