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Finding the Fourth Proportional to 174,637.66, 261,737.28 and 74,680.27

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Solution

The fourth proportional to 174,637.66, 261,737.28 and 74,680.27 is: 111,926.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,637.66 : 261,737.28 = 74,680.27 : x
  2. Step 2: Convert to fraction form
    174,637.66/261,737.28 = 74,680.27/x
  3. Step 3: Cross multiply
    174,637.66x = 261,737.28 × 74,680.27
  4. Step 4: Simplify right side
    174,637.66x = 19,546,610,739.47
  5. Step 5: Solve for x
    x = 19,546,610,739.47/174,637.66
  6. Step 6: Final answer
    x = 111,926.66

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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.