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Finding the Fourth Proportional to 251,055.12, 376,585.74 and 73,565.72

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Solution

The fourth proportional to 251,055.12, 376,585.74 and 73,565.72 is: 110,349.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,055.12 : 376,585.74 = 73,565.72 : x
  2. Step 2: Convert to fraction form
    251,055.12/376,585.74 = 73,565.72/x
  3. Step 3: Cross multiply
    251,055.12x = 376,585.74 × 73,565.72
  4. Step 4: Simplify right side
    251,055.12x = 27,703,801,104.83
  5. Step 5: Solve for x
    x = 27,703,801,104.83/251,055.12
  6. Step 6: Final answer
    x = 110,349.48

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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.