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Finding the Fourth Proportional to 169,880.98, 234,436.22 and 93,407.89

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Solution

The fourth proportional to 169,880.98, 234,436.22 and 93,407.89 is: 128,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,880.98 : 234,436.22 = 93,407.89 : x
  2. Step 2: Convert to fraction form
    169,880.98/234,436.22 = 93,407.89/x
  3. Step 3: Cross multiply
    169,880.98x = 234,436.22 × 93,407.89
  4. Step 4: Simplify right side
    169,880.98x = 21,898,192,649.78
  5. Step 5: Solve for x
    x = 21,898,192,649.78/169,880.98
  6. Step 6: Final answer
    x = 128,903.15

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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.