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Finding the Fourth Proportional to 159,373.48, 239,004.45 and 47,023.87

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Solution

The fourth proportional to 159,373.48, 239,004.45 and 47,023.87 is: 70,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,373.48 : 239,004.45 = 47,023.87 : x
  2. Step 2: Convert to fraction form
    159,373.48/239,004.45 = 47,023.87/x
  3. Step 3: Cross multiply
    159,373.48x = 239,004.45 × 47,023.87
  4. Step 4: Simplify right side
    159,373.48x = 11,238,914,186.22
  5. Step 5: Solve for x
    x = 11,238,914,186.22/159,373.48
  6. Step 6: Final answer
    x = 70,519.35

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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.