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Finding the Fourth Proportional to 64,855.92, 97,314.12 and 63,807.60

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Solution

The fourth proportional to 64,855.92, 97,314.12 and 63,807.60 is: 95,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,855.92 : 97,314.12 = 63,807.60 : x
  2. Step 2: Convert to fraction form
    64,855.92/97,314.12 = 63,807.60/x
  3. Step 3: Cross multiply
    64,855.92x = 97,314.12 × 63,807.60
  4. Step 4: Simplify right side
    64,855.92x = 6,209,380,443.31
  5. Step 5: Solve for x
    x = 6,209,380,443.31/64,855.92
  6. Step 6: Final answer
    x = 95,741.15

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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.