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Finding the Fourth Proportional to 254,253, 350,868.87 and 139,532.31

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Solution

The fourth proportional to 254,253, 350,868.87 and 139,532.31 is: 192,554.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,253 : 350,868.87 = 139,532.31 : x
  2. Step 2: Convert to fraction form
    254,253/350,868.87 = 139,532.31/x
  3. Step 3: Cross multiply
    254,253x = 350,868.87 × 139,532.31
  4. Step 4: Simplify right side
    254,253x = 48,957,543,938.19
  5. Step 5: Solve for x
    x = 48,957,543,938.19/254,253
  6. Step 6: Final answer
    x = 192,554.44

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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.