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Finding the Fourth Proportional to 253,673.55, 350,068.77 and 140,496.30

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Solution

The fourth proportional to 253,673.55, 350,068.77 and 140,496.30 is: 193,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,673.55 : 350,068.77 = 140,496.30 : x
  2. Step 2: Convert to fraction form
    253,673.55/350,068.77 = 140,496.30/x
  3. Step 3: Cross multiply
    253,673.55x = 350,068.77 × 140,496.30
  4. Step 4: Simplify right side
    253,673.55x = 49,183,366,930.55
  5. Step 5: Solve for x
    x = 49,183,366,930.55/253,673.55
  6. Step 6: Final answer
    x = 193,884.49

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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.