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Finding the Fourth Proportional to 151,289.10, 218,136.24 and 151,289.10

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Solution

The fourth proportional to 151,289.10, 218,136.24 and 151,289.10 is: 218,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,289.10 : 218,136.24 = 151,289.10 : x
  2. Step 2: Convert to fraction form
    151,289.10/218,136.24 = 151,289.10/x
  3. Step 3: Cross multiply
    151,289.10x = 218,136.24 × 151,289.10
  4. Step 4: Simplify right side
    151,289.10x = 33,001,635,426.98
  5. Step 5: Solve for x
    x = 33,001,635,426.98/151,289.10
  6. Step 6: Final answer
    x = 218,136.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.