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Finding the Fourth Proportional to 194,475.50, 291,713.26 and 63,147.50

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Solution

The fourth proportional to 194,475.50, 291,713.26 and 63,147.50 is: 94,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,475.50 : 291,713.26 = 63,147.50 : x
  2. Step 2: Convert to fraction form
    194,475.50/291,713.26 = 63,147.50/x
  3. Step 3: Cross multiply
    194,475.50x = 291,713.26 × 63,147.50
  4. Step 4: Simplify right side
    194,475.50x = 18,420,963,085.85
  5. Step 5: Solve for x
    x = 18,420,963,085.85/194,475.50
  6. Step 6: Final answer
    x = 94,721.25

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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.