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Finding the Fourth Proportional to 104,608.70, 144,393.03 and 66,883.10

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Solution

The fourth proportional to 104,608.70, 144,393.03 and 66,883.10 is: 92,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,608.70 : 144,393.03 = 66,883.10 : x
  2. Step 2: Convert to fraction form
    104,608.70/144,393.03 = 66,883.10/x
  3. Step 3: Cross multiply
    104,608.70x = 144,393.03 × 66,883.10
  4. Step 4: Simplify right side
    104,608.70x = 9,657,453,464.79
  5. Step 5: Solve for x
    x = 9,657,453,464.79/104,608.70
  6. Step 6: Final answer
    x = 92,319.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.