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Finding the Fourth Proportional to 154,814.78, 232,261.14 and 44,006.78

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Solution

The fourth proportional to 154,814.78, 232,261.14 and 44,006.78 is: 66,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,814.78 : 232,261.14 = 44,006.78 : x
  2. Step 2: Convert to fraction form
    154,814.78/232,261.14 = 44,006.78/x
  3. Step 3: Cross multiply
    154,814.78x = 232,261.14 × 44,006.78
  4. Step 4: Simplify right side
    154,814.78x = 10,221,064,890.53
  5. Step 5: Solve for x
    x = 10,221,064,890.53/154,814.78
  6. Step 6: Final answer
    x = 66,021.25

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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.