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Finding the Fourth Proportional to 69,397.34, 103,837.80 and 60,923.90

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Solution

The fourth proportional to 69,397.34, 103,837.80 and 60,923.90 is: 91,159.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,397.34 : 103,837.80 = 60,923.90 : x
  2. Step 2: Convert to fraction form
    69,397.34/103,837.80 = 60,923.90/x
  3. Step 3: Cross multiply
    69,397.34x = 103,837.80 × 60,923.90
  4. Step 4: Simplify right side
    69,397.34x = 6,326,203,743.42
  5. Step 5: Solve for x
    x = 6,326,203,743.42/69,397.34
  6. Step 6: Final answer
    x = 91,159.17

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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.