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Finding the Fourth Proportional to 110,314.90, 165,326.97 and 43,718.72

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Solution

The fourth proportional to 110,314.90, 165,326.97 and 43,718.72 is: 65,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,314.90 : 165,326.97 = 43,718.72 : x
  2. Step 2: Convert to fraction form
    110,314.90/165,326.97 = 43,718.72/x
  3. Step 3: Cross multiply
    110,314.90x = 165,326.97 × 43,718.72
  4. Step 4: Simplify right side
    110,314.90x = 7,227,883,777.15
  5. Step 5: Solve for x
    x = 7,227,883,777.15/110,314.90
  6. Step 6: Final answer
    x = 65,520.47

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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.