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Finding the Fourth Proportional to 97,168.84, 134,089.50 and 54,731.32

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Solution

The fourth proportional to 97,168.84, 134,089.50 and 54,731.32 is: 75,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,168.84 : 134,089.50 = 54,731.32 : x
  2. Step 2: Convert to fraction form
    97,168.84/134,089.50 = 54,731.32/x
  3. Step 3: Cross multiply
    97,168.84x = 134,089.50 × 54,731.32
  4. Step 4: Simplify right side
    97,168.84x = 7,338,895,333.14
  5. Step 5: Solve for x
    x = 7,338,895,333.14/97,168.84
  6. Step 6: Final answer
    x = 75,527.25

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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.