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Finding the Fourth Proportional to 91,149.96, 125,813.34 and 52,918.10

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Solution

The fourth proportional to 91,149.96, 125,813.34 and 52,918.10 is: 73,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,149.96 : 125,813.34 = 52,918.10 : x
  2. Step 2: Convert to fraction form
    91,149.96/125,813.34 = 52,918.10/x
  3. Step 3: Cross multiply
    91,149.96x = 125,813.34 × 52,918.10
  4. Step 4: Simplify right side
    91,149.96x = 6,657,802,278.39
  5. Step 5: Solve for x
    x = 6,657,802,278.39/91,149.96
  6. Step 6: Final answer
    x = 73,042.30

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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.