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Finding the Fourth Proportional to 376,860.69, 565,169.52 and 124,080.98

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Solution

The fourth proportional to 376,860.69, 565,169.52 and 124,080.98 is: 186,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,860.69 : 565,169.52 = 124,080.98 : x
  2. Step 2: Convert to fraction form
    376,860.69/565,169.52 = 124,080.98/x
  3. Step 3: Cross multiply
    376,860.69x = 565,169.52 × 124,080.98
  4. Step 4: Simplify right side
    376,860.69x = 70,126,785,081.88
  5. Step 5: Solve for x
    x = 70,126,785,081.88/376,860.69
  6. Step 6: Final answer
    x = 186,081.45

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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.