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Finding the Fourth Proportional to 169,795.61, 234,302.64 and 93,313.79

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Solution

The fourth proportional to 169,795.61, 234,302.64 and 93,313.79 is: 128,764.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,795.61 : 234,302.64 = 93,313.79 : x
  2. Step 2: Convert to fraction form
    169,795.61/234,302.64 = 93,313.79/x
  3. Step 3: Cross multiply
    169,795.61x = 234,302.64 × 93,313.79
  4. Step 4: Simplify right side
    169,795.61x = 21,863,667,345.41
  5. Step 5: Solve for x
    x = 21,863,667,345.41/169,795.61
  6. Step 6: Final answer
    x = 128,764.62

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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.