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Finding the Fourth Proportional to 171,591.10, 257,266.65 and 101,434.30

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Solution

The fourth proportional to 171,591.10, 257,266.65 and 101,434.30 is: 152,080.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,591.10 : 257,266.65 = 101,434.30 : x
  2. Step 2: Convert to fraction form
    171,591.10/257,266.65 = 101,434.30/x
  3. Step 3: Cross multiply
    171,591.10x = 257,266.65 × 101,434.30
  4. Step 4: Simplify right side
    171,591.10x = 26,095,662,556.10
  5. Step 5: Solve for x
    x = 26,095,662,556.10/171,591.10
  6. Step 6: Final answer
    x = 152,080.51

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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.