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Finding the Fourth Proportional to 159,974.72, 240,005.84 and 70,001.08

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Solution

The fourth proportional to 159,974.72, 240,005.84 and 70,001.08 is: 105,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,974.72 : 240,005.84 = 70,001.08 : x
  2. Step 2: Convert to fraction form
    159,974.72/240,005.84 = 70,001.08/x
  3. Step 3: Cross multiply
    159,974.72x = 240,005.84 × 70,001.08
  4. Step 4: Simplify right side
    159,974.72x = 16,800,668,006.31
  5. Step 5: Solve for x
    x = 16,800,668,006.31/159,974.72
  6. Step 6: Final answer
    x = 105,020.77

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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.