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Finding the Fourth Proportional to 150,069.19, 225,080.20 and 48,870.89

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Solution

The fourth proportional to 150,069.19, 225,080.20 and 48,870.89 is: 73,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,069.19 : 225,080.20 = 48,870.89 : x
  2. Step 2: Convert to fraction form
    150,069.19/225,080.20 = 48,870.89/x
  3. Step 3: Cross multiply
    150,069.19x = 225,080.20 × 48,870.89
  4. Step 4: Simplify right side
    150,069.19x = 10,999,870,741.19
  5. Step 5: Solve for x
    x = 10,999,870,741.19/150,069.19
  6. Step 6: Final answer
    x = 73,298.66

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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.