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Finding the Fourth Proportional to 104,099.93, 143,652.45 and 61,073.44

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Solution

The fourth proportional to 104,099.93, 143,652.45 and 61,073.44 is: 84,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,099.93 : 143,652.45 = 61,073.44 : x
  2. Step 2: Convert to fraction form
    104,099.93/143,652.45 = 61,073.44/x
  3. Step 3: Cross multiply
    104,099.93x = 143,652.45 × 61,073.44
  4. Step 4: Simplify right side
    104,099.93x = 8,773,349,155.82
  5. Step 5: Solve for x
    x = 8,773,349,155.82/104,099.93
  6. Step 6: Final answer
    x = 84,278.15

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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.