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Finding the Fourth Proportional to 154,924.74, 232,452.72 and 84,722.04

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Solution

The fourth proportional to 154,924.74, 232,452.72 and 84,722.04 is: 127,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,924.74 : 232,452.72 = 84,722.04 : x
  2. Step 2: Convert to fraction form
    154,924.74/232,452.72 = 84,722.04/x
  3. Step 3: Cross multiply
    154,924.74x = 232,452.72 × 84,722.04
  4. Step 4: Simplify right side
    154,924.74x = 19,693,868,641.95
  5. Step 5: Solve for x
    x = 19,693,868,641.95/154,924.74
  6. Step 6: Final answer
    x = 127,118.94

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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.