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Finding the Fourth Proportional to 69,827.40, 104,625.90 and 59,459.40

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Solution

The fourth proportional to 69,827.40, 104,625.90 and 59,459.40 is: 89,091.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,827.40 : 104,625.90 = 59,459.40 : x
  2. Step 2: Convert to fraction form
    69,827.40/104,625.90 = 59,459.40/x
  3. Step 3: Cross multiply
    69,827.40x = 104,625.90 × 59,459.40
  4. Step 4: Simplify right side
    69,827.40x = 6,220,993,238.46
  5. Step 5: Solve for x
    x = 6,220,993,238.46/69,827.40
  6. Step 6: Final answer
    x = 89,091.00

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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.