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Finding the Fourth Proportional to 223,007.73, 307,752.88 and 121,034.09

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Solution

The fourth proportional to 223,007.73, 307,752.88 and 121,034.09 is: 167,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,007.73 : 307,752.88 = 121,034.09 : x
  2. Step 2: Convert to fraction form
    223,007.73/307,752.88 = 121,034.09/x
  3. Step 3: Cross multiply
    223,007.73x = 307,752.88 × 121,034.09
  4. Step 4: Simplify right side
    223,007.73x = 37,248,590,586.11
  5. Step 5: Solve for x
    x = 37,248,590,586.11/223,007.73
  6. Step 6: Final answer
    x = 167,028.25

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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.