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Finding the Fourth Proportional to 69,362.04, 95,719.22 and 39,157.16

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Solution

The fourth proportional to 69,362.04, 95,719.22 and 39,157.16 is: 54,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,362.04 : 95,719.22 = 39,157.16 : x
  2. Step 2: Convert to fraction form
    69,362.04/95,719.22 = 39,157.16/x
  3. Step 3: Cross multiply
    69,362.04x = 95,719.22 × 39,157.16
  4. Step 4: Simplify right side
    69,362.04x = 3,748,092,812.62
  5. Step 5: Solve for x
    x = 3,748,092,812.62/69,362.04
  6. Step 6: Final answer
    x = 54,036.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.