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Finding the Fourth Proportional to 154,667.80, 232,001.70 and 119,675.80

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Solution

The fourth proportional to 154,667.80, 232,001.70 and 119,675.80 is: 179,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,667.80 : 232,001.70 = 119,675.80 : x
  2. Step 2: Convert to fraction form
    154,667.80/232,001.70 = 119,675.80/x
  3. Step 3: Cross multiply
    154,667.80x = 232,001.70 × 119,675.80
  4. Step 4: Simplify right side
    154,667.80x = 27,764,989,048.86
  5. Step 5: Solve for x
    x = 27,764,989,048.86/154,667.80
  6. Step 6: Final answer
    x = 179,513.70

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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.