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Finding the Fourth Proportional to 203,071.01, 304,327.07 and 172,929.29

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Solution

The fourth proportional to 203,071.01, 304,327.07 and 172,929.29 is: 259,155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,071.01 : 304,327.07 = 172,929.29 : x
  2. Step 2: Convert to fraction form
    203,071.01/304,327.07 = 172,929.29/x
  3. Step 3: Cross multiply
    203,071.01x = 304,327.07 × 172,929.29
  4. Step 4: Simplify right side
    203,071.01x = 52,627,063,278.23
  5. Step 5: Solve for x
    x = 52,627,063,278.23/203,071.01
  6. Step 6: Final answer
    x = 259,155.96

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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.