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Finding the Fourth Proportional to 100,472.08, 150,731.04 and 44,328.04

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Solution

The fourth proportional to 100,472.08, 150,731.04 and 44,328.04 is: 66,502.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,472.08 : 150,731.04 = 44,328.04 : x
  2. Step 2: Convert to fraction form
    100,472.08/150,731.04 = 44,328.04/x
  3. Step 3: Cross multiply
    100,472.08x = 150,731.04 × 44,328.04
  4. Step 4: Simplify right side
    100,472.08x = 6,681,611,570.36
  5. Step 5: Solve for x
    x = 6,681,611,570.36/100,472.08
  6. Step 6: Final answer
    x = 66,502.17

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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.