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Finding the Fourth Proportional to 77,092.40, 115,561.80 and 35,466.80

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Solution

The fourth proportional to 77,092.40, 115,561.80 and 35,466.80 is: 53,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,092.40 : 115,561.80 = 35,466.80 : x
  2. Step 2: Convert to fraction form
    77,092.40/115,561.80 = 35,466.80/x
  3. Step 3: Cross multiply
    77,092.40x = 115,561.80 × 35,466.80
  4. Step 4: Simplify right side
    77,092.40x = 4,098,607,248.24
  5. Step 5: Solve for x
    x = 4,098,607,248.24/77,092.40
  6. Step 6: Final answer
    x = 53,164.87

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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.