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Finding the Fourth Proportional to 69,421.98, 104,089.22 and 58,895.68

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Solution

The fourth proportional to 69,421.98, 104,089.22 and 58,895.68 is: 88,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,421.98 : 104,089.22 = 58,895.68 : x
  2. Step 2: Convert to fraction form
    69,421.98/104,089.22 = 58,895.68/x
  3. Step 3: Cross multiply
    69,421.98x = 104,089.22 × 58,895.68
  4. Step 4: Simplify right side
    69,421.98x = 6,130,405,392.57
  5. Step 5: Solve for x
    x = 6,130,405,392.57/69,421.98
  6. Step 6: Final answer
    x = 88,306.40

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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.