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Finding the Fourth Proportional to 122,395.36, 183,445.42 and 63,198.74

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Solution

The fourth proportional to 122,395.36, 183,445.42 and 63,198.74 is: 94,721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,395.36 : 183,445.42 = 63,198.74 : x
  2. Step 2: Convert to fraction form
    122,395.36/183,445.42 = 63,198.74/x
  3. Step 3: Cross multiply
    122,395.36x = 183,445.42 × 63,198.74
  4. Step 4: Simplify right side
    122,395.36x = 11,593,519,402.77
  5. Step 5: Solve for x
    x = 11,593,519,402.77/122,395.36
  6. Step 6: Final answer
    x = 94,721.89

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1.5x scale

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.