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Finding the Fourth Proportional to 150,270.67, 225,048.19 and 86,957.36

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Solution

The fourth proportional to 150,270.67, 225,048.19 and 86,957.36 is: 130,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,270.67 : 225,048.19 = 86,957.36 : x
  2. Step 2: Convert to fraction form
    150,270.67/225,048.19 = 86,957.36/x
  3. Step 3: Cross multiply
    150,270.67x = 225,048.19 × 86,957.36
  4. Step 4: Simplify right side
    150,270.67x = 19,569,596,475.18
  5. Step 5: Solve for x
    x = 19,569,596,475.18/150,270.67
  6. Step 6: Final answer
    x = 130,228.98

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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.