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Finding the Fourth Proportional to 154,669.80, 232,004.70 and 119,677.80

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Solution

The fourth proportional to 154,669.80, 232,004.70 and 119,677.80 is: 179,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,669.80 : 232,004.70 = 119,677.80 : x
  2. Step 2: Convert to fraction form
    154,669.80/232,004.70 = 119,677.80/x
  3. Step 3: Cross multiply
    154,669.80x = 232,004.70 × 119,677.80
  4. Step 4: Simplify right side
    154,669.80x = 27,765,812,085.66
  5. Step 5: Solve for x
    x = 27,765,812,085.66/154,669.80
  6. Step 6: Final answer
    x = 179,516.70

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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.