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Finding the Fourth Proportional to 135,883.88, 187,541.93 and 75,473.98

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Solution

The fourth proportional to 135,883.88, 187,541.93 and 75,473.98 is: 104,166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,883.88 : 187,541.93 = 75,473.98 : x
  2. Step 2: Convert to fraction form
    135,883.88/187,541.93 = 75,473.98/x
  3. Step 3: Cross multiply
    135,883.88x = 187,541.93 × 75,473.98
  4. Step 4: Simplify right side
    135,883.88x = 14,154,535,593.81
  5. Step 5: Solve for x
    x = 14,154,535,593.81/135,883.88
  6. Step 6: Final answer
    x = 104,166.41

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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.