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Finding the Fourth Proportional to 253,677.50, 350,070.66 and 140,497.82

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Solution

The fourth proportional to 253,677.50, 350,070.66 and 140,497.82 is: 193,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,677.50 : 350,070.66 = 140,497.82 : x
  2. Step 2: Convert to fraction form
    253,677.50/350,070.66 = 140,497.82/x
  3. Step 3: Cross multiply
    253,677.50x = 350,070.66 × 140,497.82
  4. Step 4: Simplify right side
    253,677.50x = 49,184,164,575.96
  5. Step 5: Solve for x
    x = 49,184,164,575.96/253,677.50
  6. Step 6: Final answer
    x = 193,884.62

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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.