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Finding the Fourth Proportional to 171,114.96, 256,134.28 and 117,493.13

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Solution

The fourth proportional to 171,114.96, 256,134.28 and 117,493.13 is: 175,870.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,114.96 : 256,134.28 = 117,493.13 : x
  2. Step 2: Convert to fraction form
    171,114.96/256,134.28 = 117,493.13/x
  3. Step 3: Cross multiply
    171,114.96x = 256,134.28 × 117,493.13
  4. Step 4: Simplify right side
    171,114.96x = 30,094,018,257.50
  5. Step 5: Solve for x
    x = 30,094,018,257.50/171,114.96
  6. Step 6: Final answer
    x = 175,870.18

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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.