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Finding the Fourth Proportional to 171,068.16, 256,602.56 and 65,936.64

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Solution

The fourth proportional to 171,068.16, 256,602.56 and 65,936.64 is: 98,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,068.16 : 256,602.56 = 65,936.64 : x
  2. Step 2: Convert to fraction form
    171,068.16/256,602.56 = 65,936.64/x
  3. Step 3: Cross multiply
    171,068.16x = 256,602.56 × 65,936.64
  4. Step 4: Simplify right side
    171,068.16x = 16,919,510,621.80
  5. Step 5: Solve for x
    x = 16,919,510,621.80/171,068.16
  6. Step 6: Final answer
    x = 98,905.08

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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.