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Finding the Fourth Proportional to 158,564.88, 237,817.04 and 79,657.20

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Solution

The fourth proportional to 158,564.88, 237,817.04 and 79,657.20 is: 119,470.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,564.88 : 237,817.04 = 79,657.20 : x
  2. Step 2: Convert to fraction form
    158,564.88/237,817.04 = 79,657.20/x
  3. Step 3: Cross multiply
    158,564.88x = 237,817.04 × 79,657.20
  4. Step 4: Simplify right side
    158,564.88x = 18,943,839,518.69
  5. Step 5: Solve for x
    x = 18,943,839,518.69/158,564.88
  6. Step 6: Final answer
    x = 119,470.59

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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.