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Finding the Fourth Proportional to 170,803.02, 256,204.53 and 82,001.10

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Solution

The fourth proportional to 170,803.02, 256,204.53 and 82,001.10 is: 123,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,803.02 : 256,204.53 = 82,001.10 : x
  2. Step 2: Convert to fraction form
    170,803.02/256,204.53 = 82,001.10/x
  3. Step 3: Cross multiply
    170,803.02x = 256,204.53 × 82,001.10
  4. Step 4: Simplify right side
    170,803.02x = 21,009,053,284.98
  5. Step 5: Solve for x
    x = 21,009,053,284.98/170,803.02
  6. Step 6: Final answer
    x = 123,001.65

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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.