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Finding the Fourth Proportional to 181,955.60, 272,836.20 and 63,630.80

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Solution

The fourth proportional to 181,955.60, 272,836.20 and 63,630.80 is: 95,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,955.60 : 272,836.20 = 63,630.80 : x
  2. Step 2: Convert to fraction form
    181,955.60/272,836.20 = 63,630.80/x
  3. Step 3: Cross multiply
    181,955.60x = 272,836.20 × 63,630.80
  4. Step 4: Simplify right side
    181,955.60x = 17,360,785,674.96
  5. Step 5: Solve for x
    x = 17,360,785,674.96/181,955.60
  6. Step 6: Final answer
    x = 95,412.21

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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.