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Finding the Fourth Proportional to 376,808.09, 565,275.51 and 124,161.39

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Solution

The fourth proportional to 376,808.09, 565,275.51 and 124,161.39 is: 186,262.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,808.09 : 565,275.51 = 124,161.39 : x
  2. Step 2: Convert to fraction form
    376,808.09/565,275.51 = 124,161.39/x
  3. Step 3: Cross multiply
    376,808.09x = 565,275.51 × 124,161.39
  4. Step 4: Simplify right side
    376,808.09x = 70,185,393,054.56
  5. Step 5: Solve for x
    x = 70,185,393,054.56/376,808.09
  6. Step 6: Final answer
    x = 186,262.97

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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.