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Finding the Fourth Proportional to 166,722.76, 250,130.96 and 66,953.01

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Solution

The fourth proportional to 166,722.76, 250,130.96 and 66,953.01 is: 100,448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,722.76 : 250,130.96 = 66,953.01 : x
  2. Step 2: Convert to fraction form
    166,722.76/250,130.96 = 66,953.01/x
  3. Step 3: Cross multiply
    166,722.76x = 250,130.96 × 66,953.01
  4. Step 4: Simplify right side
    166,722.76x = 16,747,019,598.31
  5. Step 5: Solve for x
    x = 16,747,019,598.31/166,722.76
  6. Step 6: Final answer
    x = 100,448.31

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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.