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Finding the Fourth Proportional to 365,767.95, 548,538.04 and 129,055.17

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Solution

The fourth proportional to 365,767.95, 548,538.04 and 129,055.17 is: 193,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,767.95 : 548,538.04 = 129,055.17 : x
  2. Step 2: Convert to fraction form
    365,767.95/548,538.04 = 129,055.17/x
  3. Step 3: Cross multiply
    365,767.95x = 548,538.04 × 129,055.17
  4. Step 4: Simplify right side
    365,767.95x = 70,791,670,003.67
  5. Step 5: Solve for x
    x = 70,791,670,003.67/365,767.95
  6. Step 6: Final answer
    x = 193,542.57

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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.