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Finding the Fourth Proportional to 69,810.48, 103,926.14 and 69,395.29

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Solution

The fourth proportional to 69,810.48, 103,926.14 and 69,395.29 is: 103,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,810.48 : 103,926.14 = 69,395.29 : x
  2. Step 2: Convert to fraction form
    69,810.48/103,926.14 = 69,395.29/x
  3. Step 3: Cross multiply
    69,810.48x = 103,926.14 × 69,395.29
  4. Step 4: Simplify right side
    69,810.48x = 7,211,984,623.88
  5. Step 5: Solve for x
    x = 7,211,984,623.88/69,810.48
  6. Step 6: Final answer
    x = 103,308.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.