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Finding the Fourth Proportional to 150,605.02, 225,900.70 and 66,342.65

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Solution

The fourth proportional to 150,605.02, 225,900.70 and 66,342.65 is: 99,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,605.02 : 225,900.70 = 66,342.65 : x
  2. Step 2: Convert to fraction form
    150,605.02/225,900.70 = 66,342.65/x
  3. Step 3: Cross multiply
    150,605.02x = 225,900.70 × 66,342.65
  4. Step 4: Simplify right side
    150,605.02x = 14,986,849,779.49
  5. Step 5: Solve for x
    x = 14,986,849,779.49/150,605.02
  6. Step 6: Final answer
    x = 99,510.96

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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.