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Finding the Fourth Proportional to 64,962.56, 97,441.92 and 56,171.84

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Solution

The fourth proportional to 64,962.56, 97,441.92 and 56,171.84 is: 84,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,962.56 : 97,441.92 = 56,171.84 : x
  2. Step 2: Convert to fraction form
    64,962.56/97,441.92 = 56,171.84/x
  3. Step 3: Cross multiply
    64,962.56x = 97,441.92 × 56,171.84
  4. Step 4: Simplify right side
    64,962.56x = 5,473,491,939.53
  5. Step 5: Solve for x
    x = 5,473,491,939.53/64,962.56
  6. Step 6: Final answer
    x = 84,256.10

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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.