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Finding the Fourth Proportional to 79,261, 118,807.71 and 29,309.02

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Solution

The fourth proportional to 79,261, 118,807.71 and 29,309.02 is: 43,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,261 : 118,807.71 = 29,309.02 : x
  2. Step 2: Convert to fraction form
    79,261/118,807.71 = 29,309.02/x
  3. Step 3: Cross multiply
    79,261x = 118,807.71 × 29,309.02
  4. Step 4: Simplify right side
    79,261x = 3,482,137,548.54
  5. Step 5: Solve for x
    x = 3,482,137,548.54/79,261
  6. Step 6: Final answer
    x = 43,932.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.