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Finding the Fourth Proportional to 150,653.55, 225,700.74 and 107,870.70

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Solution

The fourth proportional to 150,653.55, 225,700.74 and 107,870.70 is: 161,605.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,653.55 : 225,700.74 = 107,870.70 : x
  2. Step 2: Convert to fraction form
    150,653.55/225,700.74 = 107,870.70/x
  3. Step 3: Cross multiply
    150,653.55x = 225,700.74 × 107,870.70
  4. Step 4: Simplify right side
    150,653.55x = 24,346,496,814.32
  5. Step 5: Solve for x
    x = 24,346,496,814.32/150,653.55
  6. Step 6: Final answer
    x = 161,605.86

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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.