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Finding the Fourth Proportional to 110,513.58, 165,770.22 and 51,316.88

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Solution

The fourth proportional to 110,513.58, 165,770.22 and 51,316.88 is: 76,975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,513.58 : 165,770.22 = 51,316.88 : x
  2. Step 2: Convert to fraction form
    110,513.58/165,770.22 = 51,316.88/x
  3. Step 3: Cross multiply
    110,513.58x = 165,770.22 × 51,316.88
  4. Step 4: Simplify right side
    110,513.58x = 8,506,810,487.31
  5. Step 5: Solve for x
    x = 8,506,810,487.31/110,513.58
  6. Step 6: Final answer
    x = 76,975.25

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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.