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Finding the Fourth Proportional to 179,894.93, 248,176.71 and 115,248.56

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Solution

The fourth proportional to 179,894.93, 248,176.71 and 115,248.56 is: 158,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,894.93 : 248,176.71 = 115,248.56 : x
  2. Step 2: Convert to fraction form
    179,894.93/248,176.71 = 115,248.56/x
  3. Step 3: Cross multiply
    179,894.93x = 248,176.71 × 115,248.56
  4. Step 4: Simplify right side
    179,894.93x = 28,602,007,212.15
  5. Step 5: Solve for x
    x = 28,602,007,212.15/179,894.93
  6. Step 6: Final answer
    x = 158,992.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.