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Finding the Fourth Proportional to 150,104.80, 225,124.80 and 65,864.80

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Solution

The fourth proportional to 150,104.80, 225,124.80 and 65,864.80 is: 98,782.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,104.80 : 225,124.80 = 65,864.80 : x
  2. Step 2: Convert to fraction form
    150,104.80/225,124.80 = 65,864.80/x
  3. Step 3: Cross multiply
    150,104.80x = 225,124.80 × 65,864.80
  4. Step 4: Simplify right side
    150,104.80x = 14,827,799,927.04
  5. Step 5: Solve for x
    x = 14,827,799,927.04/150,104.80
  6. Step 6: Final answer
    x = 98,782.98

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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.