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Finding the Fourth Proportional to 115,356, 173,032.92 and 36,470.24

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Solution

The fourth proportional to 115,356, 173,032.92 and 36,470.24 is: 54,705.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,356 : 173,032.92 = 36,470.24 : x
  2. Step 2: Convert to fraction form
    115,356/173,032.92 = 36,470.24/x
  3. Step 3: Cross multiply
    115,356x = 173,032.92 × 36,470.24
  4. Step 4: Simplify right side
    115,356x = 6,310,551,255.14
  5. Step 5: Solve for x
    x = 6,310,551,255.14/115,356
  6. Step 6: Final answer
    x = 54,705.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.