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Finding the Fourth Proportional to 171,076.42, 256,598.13 and 52,715.98

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Solution

The fourth proportional to 171,076.42, 256,598.13 and 52,715.98 is: 79,068.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,076.42 : 256,598.13 = 52,715.98 : x
  2. Step 2: Convert to fraction form
    171,076.42/256,598.13 = 52,715.98/x
  3. Step 3: Cross multiply
    171,076.42x = 256,598.13 × 52,715.98
  4. Step 4: Simplify right side
    171,076.42x = 13,526,820,606.13
  5. Step 5: Solve for x
    x = 13,526,820,606.13/171,076.42
  6. Step 6: Final answer
    x = 79,068.88

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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.