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Finding the Fourth Proportional to 99,887.96, 137,848.09 and 59,625.08

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Solution

The fourth proportional to 99,887.96, 137,848.09 and 59,625.08 is: 82,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,887.96 : 137,848.09 = 59,625.08 : x
  2. Step 2: Convert to fraction form
    99,887.96/137,848.09 = 59,625.08/x
  3. Step 3: Cross multiply
    99,887.96x = 137,848.09 × 59,625.08
  4. Step 4: Simplify right side
    99,887.96x = 8,219,202,874.77
  5. Step 5: Solve for x
    x = 8,219,202,874.77/99,887.96
  6. Step 6: Final answer
    x = 82,284.22

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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.