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Finding the Fourth Proportional to 97,165.84, 134,085.36 and 54,728.32

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Solution

The fourth proportional to 97,165.84, 134,085.36 and 54,728.32 is: 75,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,165.84 : 134,085.36 = 54,728.32 : x
  2. Step 2: Convert to fraction form
    97,165.84/134,085.36 = 54,728.32/x
  3. Step 3: Cross multiply
    97,165.84x = 134,085.36 × 54,728.32
  4. Step 4: Simplify right side
    97,165.84x = 7,338,266,489.40
  5. Step 5: Solve for x
    x = 7,338,266,489.40/97,165.84
  6. Step 6: Final answer
    x = 75,523.11

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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.