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Finding the Fourth Proportional to 122,298.84, 183,466.47 and 43,406.46

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Solution

The fourth proportional to 122,298.84, 183,466.47 and 43,406.46 is: 65,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,298.84 : 183,466.47 = 43,406.46 : x
  2. Step 2: Convert to fraction form
    122,298.84/183,466.47 = 43,406.46/x
  3. Step 3: Cross multiply
    122,298.84x = 183,466.47 × 43,406.46
  4. Step 4: Simplify right side
    122,298.84x = 7,963,629,991.40
  5. Step 5: Solve for x
    x = 7,963,629,991.40/122,298.84
  6. Step 6: Final answer
    x = 65,116.15

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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.