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Finding the Fourth Proportional to 154,768.66, 232,218.60 and 84,565.96

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Solution

The fourth proportional to 154,768.66, 232,218.60 and 84,565.96 is: 126,884.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,768.66 : 232,218.60 = 84,565.96 : x
  2. Step 2: Convert to fraction form
    154,768.66/232,218.60 = 84,565.96/x
  3. Step 3: Cross multiply
    154,768.66x = 232,218.60 × 84,565.96
  4. Step 4: Simplify right side
    154,768.66x = 19,637,788,838.86
  5. Step 5: Solve for x
    x = 19,637,788,838.86/154,768.66
  6. Step 6: Final answer
    x = 126,884.79

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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.