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Finding the Fourth Proportional to 239,762.23, 359,701.76 and 79,837.85

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Solution

The fourth proportional to 239,762.23, 359,701.76 and 79,837.85 is: 119,776.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,762.23 : 359,701.76 = 79,837.85 : x
  2. Step 2: Convert to fraction form
    239,762.23/359,701.76 = 79,837.85/x
  3. Step 3: Cross multiply
    239,762.23x = 359,701.76 × 79,837.85
  4. Step 4: Simplify right side
    239,762.23x = 28,717,816,258.47
  5. Step 5: Solve for x
    x = 28,717,816,258.47/239,762.23
  6. Step 6: Final answer
    x = 119,776.23

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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.