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Finding the Fourth Proportional to 171,672.40, 257,422.20 and 101,573.20

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Solution

The fourth proportional to 171,672.40, 257,422.20 and 101,573.20 is: 152,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,672.40 : 257,422.20 = 101,573.20 : x
  2. Step 2: Convert to fraction form
    171,672.40/257,422.20 = 101,573.20/x
  3. Step 3: Cross multiply
    171,672.40x = 257,422.20 × 101,573.20
  4. Step 4: Simplify right side
    171,672.40x = 26,147,196,605.04
  5. Step 5: Solve for x
    x = 26,147,196,605.04/171,672.40
  6. Step 6: Final answer
    x = 152,308.68

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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.