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Finding the Fourth Proportional to 187,750.69, 259,086.05 and 107,175.01

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Solution

The fourth proportional to 187,750.69, 259,086.05 and 107,175.01 is: 147,895.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,750.69 : 259,086.05 = 107,175.01 : x
  2. Step 2: Convert to fraction form
    187,750.69/259,086.05 = 107,175.01/x
  3. Step 3: Cross multiply
    187,750.69x = 259,086.05 × 107,175.01
  4. Step 4: Simplify right side
    187,750.69x = 27,767,549,463.74
  5. Step 5: Solve for x
    x = 27,767,549,463.74/187,750.69
  6. Step 6: Final answer
    x = 147,895.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.