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Finding the Fourth Proportional to 154,813.78, 232,259.64 and 44,005.78

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Solution

The fourth proportional to 154,813.78, 232,259.64 and 44,005.78 is: 66,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,813.78 : 232,259.64 = 44,005.78 : x
  2. Step 2: Convert to fraction form
    154,813.78/232,259.64 = 44,005.78/x
  3. Step 3: Cross multiply
    154,813.78x = 232,259.64 × 44,005.78
  4. Step 4: Simplify right side
    154,813.78x = 10,220,766,620.72
  5. Step 5: Solve for x
    x = 10,220,766,620.72/154,813.78
  6. Step 6: Final answer
    x = 66,019.75

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1.5x scale

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.