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Finding the Fourth Proportional to 167,487.40, 251,231.10 and 155,677.60

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Solution

The fourth proportional to 167,487.40, 251,231.10 and 155,677.60 is: 233,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,487.40 : 251,231.10 = 155,677.60 : x
  2. Step 2: Convert to fraction form
    167,487.40/251,231.10 = 155,677.60/x
  3. Step 3: Cross multiply
    167,487.40x = 251,231.10 × 155,677.60
  4. Step 4: Simplify right side
    167,487.40x = 39,111,054,693.36
  5. Step 5: Solve for x
    x = 39,111,054,693.36/167,487.40
  6. Step 6: Final answer
    x = 233,516.40

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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.