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Finding the Fourth Proportional to 178,248.32, 246,017.28 and 117,822.08

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Solution

The fourth proportional to 178,248.32, 246,017.28 and 117,822.08 is: 162,617.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,248.32 : 246,017.28 = 117,822.08 : x
  2. Step 2: Convert to fraction form
    178,248.32/246,017.28 = 117,822.08/x
  3. Step 3: Cross multiply
    178,248.32x = 246,017.28 × 117,822.08
  4. Step 4: Simplify right side
    178,248.32x = 28,986,267,645.54
  5. Step 5: Solve for x
    x = 28,986,267,645.54/178,248.32
  6. Step 6: Final answer
    x = 162,617.34

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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.