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Finding the Fourth Proportional to 95,172.84, 131,348.39 and 54,895.59

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Solution

The fourth proportional to 95,172.84, 131,348.39 and 54,895.59 is: 75,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,172.84 : 131,348.39 = 54,895.59 : x
  2. Step 2: Convert to fraction form
    95,172.84/131,348.39 = 54,895.59/x
  3. Step 3: Cross multiply
    95,172.84x = 131,348.39 × 54,895.59
  4. Step 4: Simplify right side
    95,172.84x = 7,210,447,090.12
  5. Step 5: Solve for x
    x = 7,210,447,090.12/95,172.84
  6. Step 6: Final answer
    x = 75,761.60

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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.