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Finding the Fourth Proportional to 253,672.50, 350,063.76 and 140,492.82

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Solution

The fourth proportional to 253,672.50, 350,063.76 and 140,492.82 is: 193,877.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,672.50 : 350,063.76 = 140,492.82 : x
  2. Step 2: Convert to fraction form
    253,672.50/350,063.76 = 140,492.82/x
  3. Step 3: Cross multiply
    253,672.50x = 350,063.76 × 140,492.82
  4. Step 4: Simplify right side
    253,672.50x = 49,181,444,822.20
  5. Step 5: Solve for x
    x = 49,181,444,822.20/253,672.50
  6. Step 6: Final answer
    x = 193,877.72

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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.