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Finding the Fourth Proportional to 91,877.96, 126,802.80 and 51,593.42

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Solution

The fourth proportional to 91,877.96, 126,802.80 and 51,593.42 is: 71,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,877.96 : 126,802.80 = 51,593.42 : x
  2. Step 2: Convert to fraction form
    91,877.96/126,802.80 = 51,593.42/x
  3. Step 3: Cross multiply
    91,877.96x = 126,802.80 × 51,593.42
  4. Step 4: Simplify right side
    91,877.96x = 6,542,190,117.58
  5. Step 5: Solve for x
    x = 6,542,190,117.58/91,877.96
  6. Step 6: Final answer
    x = 71,205.22

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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.