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Finding the Fourth Proportional to 253,765.86, 350,208.48 and 144,899.74

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Solution

The fourth proportional to 253,765.86, 350,208.48 and 144,899.74 is: 199,968.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,765.86 : 350,208.48 = 144,899.74 : x
  2. Step 2: Convert to fraction form
    253,765.86/350,208.48 = 144,899.74/x
  3. Step 3: Cross multiply
    253,765.86x = 350,208.48 × 144,899.74
  4. Step 4: Simplify right side
    253,765.86x = 50,745,117,697.80
  5. Step 5: Solve for x
    x = 50,745,117,697.80/253,765.86
  6. Step 6: Final answer
    x = 199,968.26

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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.