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Finding the Fourth Proportional to 169,573.86, 234,014.88 and 93,100.02

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Solution

The fourth proportional to 169,573.86, 234,014.88 and 93,100.02 is: 128,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,573.86 : 234,014.88 = 93,100.02 : x
  2. Step 2: Convert to fraction form
    169,573.86/234,014.88 = 93,100.02/x
  3. Step 3: Cross multiply
    169,573.86x = 234,014.88 × 93,100.02
  4. Step 4: Simplify right side
    169,573.86x = 21,786,790,008.30
  5. Step 5: Solve for x
    x = 21,786,790,008.30/169,573.86
  6. Step 6: Final answer
    x = 128,479.65

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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.