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Finding the Fourth Proportional to 97,149.84, 134,064.24 and 54,705.84

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Solution

The fourth proportional to 97,149.84, 134,064.24 and 54,705.84 is: 75,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,149.84 : 134,064.24 = 54,705.84 : x
  2. Step 2: Convert to fraction form
    97,149.84/134,064.24 = 54,705.84/x
  3. Step 3: Cross multiply
    97,149.84x = 134,064.24 × 54,705.84
  4. Step 4: Simplify right side
    97,149.84x = 7,334,096,863.16
  5. Step 5: Solve for x
    x = 7,334,096,863.16/97,149.84
  6. Step 6: Final answer
    x = 75,492.63

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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.