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Finding the Fourth Proportional to 248,773.50, 343,307.67 and 135,596.70

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Solution

The fourth proportional to 248,773.50, 343,307.67 and 135,596.70 is: 187,123.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,773.50 : 343,307.67 = 135,596.70 : x
  2. Step 2: Convert to fraction form
    248,773.50/343,307.67 = 135,596.70/x
  3. Step 3: Cross multiply
    248,773.50x = 343,307.67 × 135,596.70
  4. Step 4: Simplify right side
    248,773.50x = 46,551,387,136.69
  5. Step 5: Solve for x
    x = 46,551,387,136.69/248,773.50
  6. Step 6: Final answer
    x = 187,123.58

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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.