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Finding the Fourth Proportional to 172,008.64, 257,345.34 and 150,789.04

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Solution

The fourth proportional to 172,008.64, 257,345.34 and 150,789.04 is: 225,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,008.64 : 257,345.34 = 150,789.04 : x
  2. Step 2: Convert to fraction form
    172,008.64/257,345.34 = 150,789.04/x
  3. Step 3: Cross multiply
    172,008.64x = 257,345.34 × 150,789.04
  4. Step 4: Simplify right side
    172,008.64x = 38,804,856,767.07
  5. Step 5: Solve for x
    x = 38,804,856,767.07/172,008.64
  6. Step 6: Final answer
    x = 225,598.30

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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.