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Finding the Fourth Proportional to 64,915.68, 97,373.52 and 59,161.44

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Solution

The fourth proportional to 64,915.68, 97,373.52 and 59,161.44 is: 88,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,915.68 : 97,373.52 = 59,161.44 : x
  2. Step 2: Convert to fraction form
    64,915.68/97,373.52 = 59,161.44/x
  3. Step 3: Cross multiply
    64,915.68x = 97,373.52 × 59,161.44
  4. Step 4: Simplify right side
    64,915.68x = 5,760,757,661.07
  5. Step 5: Solve for x
    x = 5,760,757,661.07/64,915.68
  6. Step 6: Final answer
    x = 88,742.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.