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Finding the Fourth Proportional to 372,497.60, 558,756.66 and 136,016.48

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Solution

The fourth proportional to 372,497.60, 558,756.66 and 136,016.48 is: 204,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,497.60 : 558,756.66 = 136,016.48 : x
  2. Step 2: Convert to fraction form
    372,497.60/558,756.66 = 136,016.48/x
  3. Step 3: Cross multiply
    372,497.60x = 558,756.66 × 136,016.48
  4. Step 4: Simplify right side
    372,497.60x = 76,000,114,069.76
  5. Step 5: Solve for x
    x = 76,000,114,069.76/372,497.60
  6. Step 6: Final answer
    x = 204,028.47

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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.