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Finding the Fourth Proportional to 155,590.60, 233,385.90 and 43,270.60

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Solution

The fourth proportional to 155,590.60, 233,385.90 and 43,270.60 is: 64,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,590.60 : 233,385.90 = 43,270.60 : x
  2. Step 2: Convert to fraction form
    155,590.60/233,385.90 = 43,270.60/x
  3. Step 3: Cross multiply
    155,590.60x = 233,385.90 × 43,270.60
  4. Step 4: Simplify right side
    155,590.60x = 10,098,747,924.54
  5. Step 5: Solve for x
    x = 10,098,747,924.54/155,590.60
  6. Step 6: Final answer
    x = 64,905.90

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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.