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Finding the Fourth Proportional to 84,993.48, 127,551.18 and 56,967

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Solution

The fourth proportional to 84,993.48, 127,551.18 and 56,967 is: 85,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,993.48 : 127,551.18 = 56,967 : x
  2. Step 2: Convert to fraction form
    84,993.48/127,551.18 = 56,967/x
  3. Step 3: Cross multiply
    84,993.48x = 127,551.18 × 56,967
  4. Step 4: Simplify right side
    84,993.48x = 7,266,208,071.06
  5. Step 5: Solve for x
    x = 7,266,208,071.06/84,993.48
  6. Step 6: Final answer
    x = 85,491.36

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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.