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Finding the Fourth Proportional to 171,000.30, 256,111.65 and 108,014.70

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Solution

The fourth proportional to 171,000.30, 256,111.65 and 108,014.70 is: 161,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,000.30 : 256,111.65 = 108,014.70 : x
  2. Step 2: Convert to fraction form
    171,000.30/256,111.65 = 108,014.70/x
  3. Step 3: Cross multiply
    171,000.30x = 256,111.65 × 108,014.70
  4. Step 4: Simplify right side
    171,000.30x = 27,663,823,041.26
  5. Step 5: Solve for x
    x = 27,663,823,041.26/171,000.30
  6. Step 6: Final answer
    x = 161,776.46

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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.