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Finding the Fourth Proportional to 106,248.56, 159,322.01 and 61,887.96

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Solution

The fourth proportional to 106,248.56, 159,322.01 and 61,887.96 is: 92,802.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,248.56 : 159,322.01 = 61,887.96 : x
  2. Step 2: Convert to fraction form
    106,248.56/159,322.01 = 61,887.96/x
  3. Step 3: Cross multiply
    106,248.56x = 159,322.01 × 61,887.96
  4. Step 4: Simplify right side
    106,248.56x = 9,860,113,872.56
  5. Step 5: Solve for x
    x = 9,860,113,872.56/106,248.56
  6. Step 6: Final answer
    x = 92,802.33

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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.