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Finding the Fourth Proportional to 171,758.40, 257,330.40 and 147,182.40

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Solution

The fourth proportional to 171,758.40, 257,330.40 and 147,182.40 is: 220,510.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,758.40 : 257,330.40 = 147,182.40 : x
  2. Step 2: Convert to fraction form
    171,758.40/257,330.40 = 147,182.40/x
  3. Step 3: Cross multiply
    171,758.40x = 257,330.40 × 147,182.40
  4. Step 4: Simplify right side
    171,758.40x = 37,874,505,864.96
  5. Step 5: Solve for x
    x = 37,874,505,864.96/171,758.40
  6. Step 6: Final answer
    x = 220,510.36

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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.