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Finding the Fourth Proportional to 122,114.40, 183,224.28 and 65,943.32

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Solution

The fourth proportional to 122,114.40, 183,224.28 and 65,943.32 is: 98,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,114.40 : 183,224.28 = 65,943.32 : x
  2. Step 2: Convert to fraction form
    122,114.40/183,224.28 = 65,943.32/x
  3. Step 3: Cross multiply
    122,114.40x = 183,224.28 × 65,943.32
  4. Step 4: Simplify right side
    122,114.40x = 12,082,417,327.81
  5. Step 5: Solve for x
    x = 12,082,417,327.81/122,114.40
  6. Step 6: Final answer
    x = 98,943.43

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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.