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Finding the Fourth Proportional to 268,009.65, 401,929.11 and 88,053.30

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Solution

The fourth proportional to 268,009.65, 401,929.11 and 88,053.30 is: 132,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,009.65 : 401,929.11 = 88,053.30 : x
  2. Step 2: Convert to fraction form
    268,009.65/401,929.11 = 88,053.30/x
  3. Step 3: Cross multiply
    268,009.65x = 401,929.11 × 88,053.30
  4. Step 4: Simplify right side
    268,009.65x = 35,391,184,501.56
  5. Step 5: Solve for x
    x = 35,391,184,501.56/268,009.65
  6. Step 6: Final answer
    x = 132,051.90

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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.