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Finding the Fourth Proportional to 172,888.65, 238,585.29 and 96,408.65

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Solution

The fourth proportional to 172,888.65, 238,585.29 and 96,408.65 is: 133,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,888.65 : 238,585.29 = 96,408.65 : x
  2. Step 2: Convert to fraction form
    172,888.65/238,585.29 = 96,408.65/x
  3. Step 3: Cross multiply
    172,888.65x = 238,585.29 × 96,408.65
  4. Step 4: Simplify right side
    172,888.65x = 23,001,684,525.83
  5. Step 5: Solve for x
    x = 23,001,684,525.83/172,888.65
  6. Step 6: Final answer
    x = 133,043.35

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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.