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Finding the Fourth Proportional to 171,007.80, 256,511.70 and 96,358.20

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Solution

The fourth proportional to 171,007.80, 256,511.70 and 96,358.20 is: 144,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,007.80 : 256,511.70 = 96,358.20 : x
  2. Step 2: Convert to fraction form
    171,007.80/256,511.70 = 96,358.20/x
  3. Step 3: Cross multiply
    171,007.80x = 256,511.70 × 96,358.20
  4. Step 4: Simplify right side
    171,007.80x = 24,717,005,690.94
  5. Step 5: Solve for x
    x = 24,717,005,690.94/171,007.80
  6. Step 6: Final answer
    x = 144,537.30

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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.