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Finding the Fourth Proportional to 252,273.96, 348,136.65 and 139,096.80

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Solution

The fourth proportional to 252,273.96, 348,136.65 and 139,096.80 is: 191,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,273.96 : 348,136.65 = 139,096.80 : x
  2. Step 2: Convert to fraction form
    252,273.96/348,136.65 = 139,096.80/x
  3. Step 3: Cross multiply
    252,273.96x = 348,136.65 × 139,096.80
  4. Step 4: Simplify right side
    252,273.96x = 48,424,693,977.72
  5. Step 5: Solve for x
    x = 48,424,693,977.72/252,273.96
  6. Step 6: Final answer
    x = 191,952.80

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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.