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Finding the Fourth Proportional to 69,335.01, 103,798.39 and 42,954.93

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Solution

The fourth proportional to 69,335.01, 103,798.39 and 42,954.93 is: 64,305.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,335.01 : 103,798.39 = 42,954.93 : x
  2. Step 2: Convert to fraction form
    69,335.01/103,798.39 = 42,954.93/x
  3. Step 3: Cross multiply
    69,335.01x = 103,798.39 × 42,954.93
  4. Step 4: Simplify right side
    69,335.01x = 4,458,652,576.56
  5. Step 5: Solve for x
    x = 4,458,652,576.56/69,335.01
  6. Step 6: Final answer
    x = 64,305.93

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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.