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Finding the Fourth Proportional to 169,590.94, 234,023.79 and 94,133.50

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Solution

The fourth proportional to 169,590.94, 234,023.79 and 94,133.50 is: 129,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,590.94 : 234,023.79 = 94,133.50 : x
  2. Step 2: Convert to fraction form
    169,590.94/234,023.79 = 94,133.50/x
  3. Step 3: Cross multiply
    169,590.94x = 234,023.79 × 94,133.50
  4. Step 4: Simplify right side
    169,590.94x = 22,029,478,435.97
  5. Step 5: Solve for x
    x = 22,029,478,435.97/169,590.94
  6. Step 6: Final answer
    x = 129,897.73

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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.