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Finding the Fourth Proportional to 171,134.60, 256,356.30 and 97,176.20

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Solution

The fourth proportional to 171,134.60, 256,356.30 and 97,176.20 is: 145,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,134.60 : 256,356.30 = 97,176.20 : x
  2. Step 2: Convert to fraction form
    171,134.60/256,356.30 = 97,176.20/x
  3. Step 3: Cross multiply
    171,134.60x = 256,356.30 × 97,176.20
  4. Step 4: Simplify right side
    171,134.60x = 24,911,731,080.06
  5. Step 5: Solve for x
    x = 24,911,731,080.06/171,134.60
  6. Step 6: Final answer
    x = 145,568.06

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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.