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Finding the Fourth Proportional to 253,652.88, 350,048.88 and 140,486.16

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Solution

The fourth proportional to 253,652.88, 350,048.88 and 140,486.16 is: 193,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,652.88 : 350,048.88 = 140,486.16 : x
  2. Step 2: Convert to fraction form
    253,652.88/350,048.88 = 140,486.16/x
  3. Step 3: Cross multiply
    253,652.88x = 350,048.88 × 140,486.16
  4. Step 4: Simplify right side
    253,652.88x = 49,177,022,963.50
  5. Step 5: Solve for x
    x = 49,177,022,963.50/253,652.88
  6. Step 6: Final answer
    x = 193,875.28

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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.