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Finding the Fourth Proportional to 171,173.31, 255,505.83 and 150,973.02

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Solution

The fourth proportional to 171,173.31, 255,505.83 and 150,973.02 is: 225,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,173.31 : 255,505.83 = 150,973.02 : x
  2. Step 2: Convert to fraction form
    171,173.31/255,505.83 = 150,973.02/x
  3. Step 3: Cross multiply
    171,173.31x = 255,505.83 × 150,973.02
  4. Step 4: Simplify right side
    171,173.31x = 38,574,486,782.71
  5. Step 5: Solve for x
    x = 38,574,486,782.71/171,173.31
  6. Step 6: Final answer
    x = 225,353.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.