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Finding the Fourth Proportional to 70,583.40, 106,022.72 and 59,511.71

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Solution

The fourth proportional to 70,583.40, 106,022.72 and 59,511.71 is: 89,392.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,583.40 : 106,022.72 = 59,511.71 : x
  2. Step 2: Convert to fraction form
    70,583.40/106,022.72 = 59,511.71/x
  3. Step 3: Cross multiply
    70,583.40x = 106,022.72 × 59,511.71
  4. Step 4: Simplify right side
    70,583.40x = 6,309,593,779.89
  5. Step 5: Solve for x
    x = 6,309,593,779.89/70,583.40
  6. Step 6: Final answer
    x = 89,392.04

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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.