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Finding the Fourth Proportional to 223,193.17, 308,126.52 and 172,093.91

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Solution

The fourth proportional to 223,193.17, 308,126.52 and 172,093.91 is: 237,582.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,193.17 : 308,126.52 = 172,093.91 : x
  2. Step 2: Convert to fraction form
    223,193.17/308,126.52 = 172,093.91/x
  3. Step 3: Cross multiply
    223,193.17x = 308,126.52 × 172,093.91
  4. Step 4: Simplify right side
    223,193.17x = 53,026,696,741.02
  5. Step 5: Solve for x
    x = 53,026,696,741.02/223,193.17
  6. Step 6: Final answer
    x = 237,582.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.