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Finding the Fourth Proportional to 169,212.96, 233,514 and 93,762.72

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Solution

The fourth proportional to 169,212.96, 233,514 and 93,762.72 is: 129,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,212.96 : 233,514 = 93,762.72 : x
  2. Step 2: Convert to fraction form
    169,212.96/233,514 = 93,762.72/x
  3. Step 3: Cross multiply
    169,212.96x = 233,514 × 93,762.72
  4. Step 4: Simplify right side
    169,212.96x = 21,894,907,798.08
  5. Step 5: Solve for x
    x = 21,894,907,798.08/169,212.96
  6. Step 6: Final answer
    x = 129,392.62

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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.