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Finding the Fourth Proportional to 159,394.80, 239,036.32 and 47,045.04

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Solution

The fourth proportional to 159,394.80, 239,036.32 and 47,045.04 is: 70,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,394.80 : 239,036.32 = 47,045.04 : x
  2. Step 2: Convert to fraction form
    159,394.80/239,036.32 = 47,045.04/x
  3. Step 3: Cross multiply
    159,394.80x = 239,036.32 × 47,045.04
  4. Step 4: Simplify right side
    159,394.80x = 11,245,473,235.85
  5. Step 5: Solve for x
    x = 11,245,473,235.85/159,394.80
  6. Step 6: Final answer
    x = 70,551.07

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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.