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Finding the Fourth Proportional to 253,147.98, 349,179.62 and 162,360.15

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Solution

The fourth proportional to 253,147.98, 349,179.62 and 162,360.15 is: 223,951.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,147.98 : 349,179.62 = 162,360.15 : x
  2. Step 2: Convert to fraction form
    253,147.98/349,179.62 = 162,360.15/x
  3. Step 3: Cross multiply
    253,147.98x = 349,179.62 × 162,360.15
  4. Step 4: Simplify right side
    253,147.98x = 56,692,855,480.14
  5. Step 5: Solve for x
    x = 56,692,855,480.14/253,147.98
  6. Step 6: Final answer
    x = 223,951.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.