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Finding the Fourth Proportional to 97,718.58, 134,858.17 and 54,701.88

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Solution

The fourth proportional to 97,718.58, 134,858.17 and 54,701.88 is: 75,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,718.58 : 134,858.17 = 54,701.88 : x
  2. Step 2: Convert to fraction form
    97,718.58/134,858.17 = 54,701.88/x
  3. Step 3: Cross multiply
    97,718.58x = 134,858.17 × 54,701.88
  4. Step 4: Simplify right side
    97,718.58x = 7,376,995,445.90
  5. Step 5: Solve for x
    x = 7,376,995,445.90/97,718.58
  6. Step 6: Final answer
    x = 75,492.25

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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.