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Finding the Fourth Proportional to 124,728.82, 187,070.74 and 35,960.52

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Solution

The fourth proportional to 124,728.82, 187,070.74 and 35,960.52 is: 53,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,728.82 : 187,070.74 = 35,960.52 : x
  2. Step 2: Convert to fraction form
    124,728.82/187,070.74 = 35,960.52/x
  3. Step 3: Cross multiply
    124,728.82x = 187,070.74 × 35,960.52
  4. Step 4: Simplify right side
    124,728.82x = 6,727,161,087.18
  5. Step 5: Solve for x
    x = 6,727,161,087.18/124,728.82
  6. Step 6: Final answer
    x = 53,934.30

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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.