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Finding the Fourth Proportional to 159,394.76, 239,036.34 and 47,045.06

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Solution

The fourth proportional to 159,394.76, 239,036.34 and 47,045.06 is: 70,551.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,394.76 : 239,036.34 = 47,045.06 : x
  2. Step 2: Convert to fraction form
    159,394.76/239,036.34 = 47,045.06/x
  3. Step 3: Cross multiply
    159,394.76x = 239,036.34 × 47,045.06
  4. Step 4: Simplify right side
    159,394.76x = 11,245,478,957.48
  5. Step 5: Solve for x
    x = 11,245,478,957.48/159,394.76
  6. Step 6: Final answer
    x = 70,551.12

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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.