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Finding the Fourth Proportional to 171,501.68, 256,029 and 160,104.74

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Solution

The fourth proportional to 171,501.68, 256,029 and 160,104.74 is: 239,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,501.68 : 256,029 = 160,104.74 : x
  2. Step 2: Convert to fraction form
    171,501.68/256,029 = 160,104.74/x
  3. Step 3: Cross multiply
    171,501.68x = 256,029 × 160,104.74
  4. Step 4: Simplify right side
    171,501.68x = 40,991,456,477.46
  5. Step 5: Solve for x
    x = 40,991,456,477.46/171,501.68
  6. Step 6: Final answer
    x = 239,014.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.