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Finding the Fourth Proportional to 248,773, 343,306.98 and 135,596.20

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Solution

The fourth proportional to 248,773, 343,306.98 and 135,596.20 is: 187,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,773 : 343,306.98 = 135,596.20 : x
  2. Step 2: Convert to fraction form
    248,773/343,306.98 = 135,596.20/x
  3. Step 3: Cross multiply
    248,773x = 343,306.98 × 135,596.20
  4. Step 4: Simplify right side
    248,773x = 46,551,121,921.48
  5. Step 5: Solve for x
    x = 46,551,121,921.48/248,773
  6. Step 6: Final answer
    x = 187,122.89

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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.