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Finding the Fourth Proportional to 253,592.16, 349,976.88 and 140,425.44

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Solution

The fourth proportional to 253,592.16, 349,976.88 and 140,425.44 is: 193,798.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,592.16 : 349,976.88 = 140,425.44 : x
  2. Step 2: Convert to fraction form
    253,592.16/349,976.88 = 140,425.44/x
  3. Step 3: Cross multiply
    253,592.16x = 349,976.88 × 140,425.44
  4. Step 4: Simplify right side
    253,592.16x = 49,145,657,363.83
  5. Step 5: Solve for x
    x = 49,145,657,363.83/253,592.16
  6. Step 6: Final answer
    x = 193,798.02

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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.