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Finding the Fourth Proportional to 151,846.40, 227,769.60 and 143,681.60

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Solution

The fourth proportional to 151,846.40, 227,769.60 and 143,681.60 is: 215,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,846.40 : 227,769.60 = 143,681.60 : x
  2. Step 2: Convert to fraction form
    151,846.40/227,769.60 = 143,681.60/x
  3. Step 3: Cross multiply
    151,846.40x = 227,769.60 × 143,681.60
  4. Step 4: Simplify right side
    151,846.40x = 32,726,300,559.36
  5. Step 5: Solve for x
    x = 32,726,300,559.36/151,846.40
  6. Step 6: Final answer
    x = 215,522.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.