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Finding the Fourth Proportional to 92,070.96, 126,507.28 and 73,175.28

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Solution

The fourth proportional to 92,070.96, 126,507.28 and 73,175.28 is: 100,544.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,070.96 : 126,507.28 = 73,175.28 : x
  2. Step 2: Convert to fraction form
    92,070.96/126,507.28 = 73,175.28/x
  3. Step 3: Cross multiply
    92,070.96x = 126,507.28 × 73,175.28
  4. Step 4: Simplify right side
    92,070.96x = 9,257,205,636.04
  5. Step 5: Solve for x
    x = 9,257,205,636.04/92,070.96
  6. Step 6: Final answer
    x = 100,544.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.