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Finding the Fourth Proportional to 155,672.70, 233,476.65 and 43,323.90

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Solution

The fourth proportional to 155,672.70, 233,476.65 and 43,323.90 is: 64,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,672.70 : 233,476.65 = 43,323.90 : x
  2. Step 2: Convert to fraction form
    155,672.70/233,476.65 = 43,323.90/x
  3. Step 3: Cross multiply
    155,672.70x = 233,476.65 × 43,323.90
  4. Step 4: Simplify right side
    155,672.70x = 10,115,119,036.94
  5. Step 5: Solve for x
    x = 10,115,119,036.94/155,672.70
  6. Step 6: Final answer
    x = 64,976.83

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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.