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Finding the Fourth Proportional to 59,110.64, 88,679.32 and 19,669.31

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Solution

The fourth proportional to 59,110.64, 88,679.32 and 19,669.31 is: 29,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,110.64 : 88,679.32 = 19,669.31 : x
  2. Step 2: Convert to fraction form
    59,110.64/88,679.32 = 19,669.31/x
  3. Step 3: Cross multiply
    59,110.64x = 88,679.32 × 19,669.31
  4. Step 4: Simplify right side
    59,110.64x = 1,744,260,543.10
  5. Step 5: Solve for x
    x = 1,744,260,543.10/59,110.64
  6. Step 6: Final answer
    x = 29,508.40

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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.