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Finding the Fourth Proportional to 181,996.40, 251,151.24 and 101,423.60

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Solution

The fourth proportional to 181,996.40, 251,151.24 and 101,423.60 is: 139,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,996.40 : 251,151.24 = 101,423.60 : x
  2. Step 2: Convert to fraction form
    181,996.40/251,151.24 = 101,423.60/x
  3. Step 3: Cross multiply
    181,996.40x = 251,151.24 × 101,423.60
  4. Step 4: Simplify right side
    181,996.40x = 25,472,662,905.26
  5. Step 5: Solve for x
    x = 25,472,662,905.26/181,996.40
  6. Step 6: Final answer
    x = 139,962.45

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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.