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Finding the Fourth Proportional to 169,116, 233,385.28 and 93,671.52

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Solution

The fourth proportional to 169,116, 233,385.28 and 93,671.52 is: 129,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,116 : 233,385.28 = 93,671.52 : x
  2. Step 2: Convert to fraction form
    169,116/233,385.28 = 93,671.52/x
  3. Step 3: Cross multiply
    169,116x = 233,385.28 × 93,671.52
  4. Step 4: Simplify right side
    169,116x = 21,861,553,923.23
  5. Step 5: Solve for x
    x = 21,861,553,923.23/169,116
  6. Step 6: Final answer
    x = 129,269.58

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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.