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Finding the Fourth Proportional to 103,322.96, 155,052.60 and 37,658.96

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Solution

The fourth proportional to 103,322.96, 155,052.60 and 37,658.96 is: 56,513.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,322.96 : 155,052.60 = 37,658.96 : x
  2. Step 2: Convert to fraction form
    103,322.96/155,052.60 = 37,658.96/x
  3. Step 3: Cross multiply
    103,322.96x = 155,052.60 × 37,658.96
  4. Step 4: Simplify right side
    103,322.96x = 5,839,119,661.30
  5. Step 5: Solve for x
    x = 5,839,119,661.30/103,322.96
  6. Step 6: Final answer
    x = 56,513.28

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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.