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Finding the Fourth Proportional to 114,484.96, 171,776.88 and 61,931.44

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Solution

The fourth proportional to 114,484.96, 171,776.88 and 61,931.44 is: 92,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,484.96 : 171,776.88 = 61,931.44 : x
  2. Step 2: Convert to fraction form
    114,484.96/171,776.88 = 61,931.44/x
  3. Step 3: Cross multiply
    114,484.96x = 171,776.88 × 61,931.44
  4. Step 4: Simplify right side
    114,484.96x = 10,638,389,537.11
  5. Step 5: Solve for x
    x = 10,638,389,537.11/114,484.96
  6. Step 6: Final answer
    x = 92,923.90

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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.