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Finding the Fourth Proportional to 64,944.21, 97,343.42 and 42,497.97

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Solution

The fourth proportional to 64,944.21, 97,343.42 and 42,497.97 is: 63,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,944.21 : 97,343.42 = 42,497.97 : x
  2. Step 2: Convert to fraction form
    64,944.21/97,343.42 = 42,497.97/x
  3. Step 3: Cross multiply
    64,944.21x = 97,343.42 × 42,497.97
  4. Step 4: Simplify right side
    64,944.21x = 4,136,897,530.37
  5. Step 5: Solve for x
    x = 4,136,897,530.37/64,944.21
  6. Step 6: Final answer
    x = 63,699.25

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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.