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Finding the Fourth Proportional to 178,017.62, 245,735.19 and 116,787.11

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Solution

The fourth proportional to 178,017.62, 245,735.19 and 116,787.11 is: 161,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,017.62 : 245,735.19 = 116,787.11 : x
  2. Step 2: Convert to fraction form
    178,017.62/245,735.19 = 116,787.11/x
  3. Step 3: Cross multiply
    178,017.62x = 245,735.19 × 116,787.11
  4. Step 4: Simplify right side
    178,017.62x = 28,698,701,436.73
  5. Step 5: Solve for x
    x = 28,698,701,436.73/178,017.62
  6. Step 6: Final answer
    x = 161,212.71

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1.5x scale

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.