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Finding the Fourth Proportional to 171,675.40, 257,426.70 and 101,576.20

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Solution

The fourth proportional to 171,675.40, 257,426.70 and 101,576.20 is: 152,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,675.40 : 257,426.70 = 101,576.20 : x
  2. Step 2: Convert to fraction form
    171,675.40/257,426.70 = 101,576.20/x
  3. Step 3: Cross multiply
    171,675.40x = 257,426.70 × 101,576.20
  4. Step 4: Simplify right side
    171,675.40x = 26,148,425,964.54
  5. Step 5: Solve for x
    x = 26,148,425,964.54/171,675.40
  6. Step 6: Final answer
    x = 152,313.18

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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.