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Finding the Fourth Proportional to 141,796.71, 212,699.19 and 53,033.28

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Solution

The fourth proportional to 141,796.71, 212,699.19 and 53,033.28 is: 79,551.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,796.71 : 212,699.19 = 53,033.28 : x
  2. Step 2: Convert to fraction form
    141,796.71/212,699.19 = 53,033.28/x
  3. Step 3: Cross multiply
    141,796.71x = 212,699.19 × 53,033.28
  4. Step 4: Simplify right side
    141,796.71x = 11,280,135,699.04
  5. Step 5: Solve for x
    x = 11,280,135,699.04/141,796.71
  6. Step 6: Final answer
    x = 79,551.46

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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.