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Finding the Fourth Proportional to 69,095.67, 103,507.42 and 64,235.67

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Solution

The fourth proportional to 69,095.67, 103,507.42 and 64,235.67 is: 96,226.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,095.67 : 103,507.42 = 64,235.67 : x
  2. Step 2: Convert to fraction form
    69,095.67/103,507.42 = 64,235.67/x
  3. Step 3: Cross multiply
    69,095.67x = 103,507.42 × 64,235.67
  4. Step 4: Simplify right side
    69,095.67x = 6,648,868,473.67
  5. Step 5: Solve for x
    x = 6,648,868,473.67/69,095.67
  6. Step 6: Final answer
    x = 96,226.99

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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.