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Finding the Fourth Proportional to 119,857.48, 179,819.34 and 52,395.40

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Solution

The fourth proportional to 119,857.48, 179,819.34 and 52,395.40 is: 78,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,857.48 : 179,819.34 = 52,395.40 : x
  2. Step 2: Convert to fraction form
    119,857.48/179,819.34 = 52,395.40/x
  3. Step 3: Cross multiply
    119,857.48x = 179,819.34 × 52,395.40
  4. Step 4: Simplify right side
    119,857.48x = 9,421,706,247.04
  5. Step 5: Solve for x
    x = 9,421,706,247.04/119,857.48
  6. Step 6: Final answer
    x = 78,607.58

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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.