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Finding the Fourth Proportional to 167,495.40, 251,243.10 and 155,685.60

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Solution

The fourth proportional to 167,495.40, 251,243.10 and 155,685.60 is: 233,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,495.40 : 251,243.10 = 155,685.60 : x
  2. Step 2: Convert to fraction form
    167,495.40/251,243.10 = 155,685.60/x
  3. Step 3: Cross multiply
    167,495.40x = 251,243.10 × 155,685.60
  4. Step 4: Simplify right side
    167,495.40x = 39,114,932,769.36
  5. Step 5: Solve for x
    x = 39,114,932,769.36/167,495.40
  6. Step 6: Final answer
    x = 233,528.40

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1.5x scale

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.