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Finding the Fourth Proportional to 253,887.30, 350,363.74 and 140,710.06

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Solution

The fourth proportional to 253,887.30, 350,363.74 and 140,710.06 is: 194,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,887.30 : 350,363.74 = 140,710.06 : x
  2. Step 2: Convert to fraction form
    253,887.30/350,363.74 = 140,710.06/x
  3. Step 3: Cross multiply
    253,887.30x = 350,363.74 × 140,710.06
  4. Step 4: Simplify right side
    253,887.30x = 49,299,702,877.22
  5. Step 5: Solve for x
    x = 49,299,702,877.22/253,887.30
  6. Step 6: Final answer
    x = 194,179.48

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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.