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Finding the Fourth Proportional to 187,850.88, 281,746.32 and 69,495.28

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Solution

The fourth proportional to 187,850.88, 281,746.32 and 69,495.28 is: 104,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,850.88 : 281,746.32 = 69,495.28 : x
  2. Step 2: Convert to fraction form
    187,850.88/281,746.32 = 69,495.28/x
  3. Step 3: Cross multiply
    187,850.88x = 281,746.32 × 69,495.28
  4. Step 4: Simplify right side
    187,850.88x = 19,580,039,397.37
  5. Step 5: Solve for x
    x = 19,580,039,397.37/187,850.88
  6. Step 6: Final answer
    x = 104,231.82

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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.