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Finding the Fourth Proportional to 169,884.34, 234,444.89 and 93,406.63

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Solution

The fourth proportional to 169,884.34, 234,444.89 and 93,406.63 is: 128,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,884.34 : 234,444.89 = 93,406.63 : x
  2. Step 2: Convert to fraction form
    169,884.34/234,444.89 = 93,406.63/x
  3. Step 3: Cross multiply
    169,884.34x = 234,444.89 × 93,406.63
  4. Step 4: Simplify right side
    169,884.34x = 21,898,707,095.62
  5. Step 5: Solve for x
    x = 21,898,707,095.62/169,884.34
  6. Step 6: Final answer
    x = 128,903.62

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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.