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Finding the Fourth Proportional to 181,264.64, 272,104.32 and 170,896.64

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Solution

The fourth proportional to 181,264.64, 272,104.32 and 170,896.64 is: 256,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,264.64 : 272,104.32 = 170,896.64 : x
  2. Step 2: Convert to fraction form
    181,264.64/272,104.32 = 170,896.64/x
  3. Step 3: Cross multiply
    181,264.64x = 272,104.32 × 170,896.64
  4. Step 4: Simplify right side
    181,264.64x = 46,501,714,017.48
  5. Step 5: Solve for x
    x = 46,501,714,017.48/181,264.64
  6. Step 6: Final answer
    x = 256,540.46

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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.