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Finding the Fourth Proportional to 69,826.40, 104,624.40 and 59,458.40

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Solution

The fourth proportional to 69,826.40, 104,624.40 and 59,458.40 is: 89,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,826.40 : 104,624.40 = 59,458.40 : x
  2. Step 2: Convert to fraction form
    69,826.40/104,624.40 = 59,458.40/x
  3. Step 3: Cross multiply
    69,826.40x = 104,624.40 × 59,458.40
  4. Step 4: Simplify right side
    69,826.40x = 6,220,799,424.96
  5. Step 5: Solve for x
    x = 6,220,799,424.96/69,826.40
  6. Step 6: Final answer
    x = 89,089.51

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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.