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Finding the Fourth Proportional to 194,497, 291,745.50 and 63,169

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Solution

The fourth proportional to 194,497, 291,745.50 and 63,169 is: 94,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,497 : 291,745.50 = 63,169 : x
  2. Step 2: Convert to fraction form
    194,497/291,745.50 = 63,169/x
  3. Step 3: Cross multiply
    194,497x = 291,745.50 × 63,169
  4. Step 4: Simplify right side
    194,497x = 18,429,271,489.50
  5. Step 5: Solve for x
    x = 18,429,271,489.50/194,497
  6. Step 6: Final answer
    x = 94,753.50

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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.