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Finding the Fourth Proportional to 114,906.94, 172,355.94 and 58,746.40

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Solution

The fourth proportional to 114,906.94, 172,355.94 and 58,746.40 is: 88,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,906.94 : 172,355.94 = 58,746.40 : x
  2. Step 2: Convert to fraction form
    114,906.94/172,355.94 = 58,746.40/x
  3. Step 3: Cross multiply
    114,906.94x = 172,355.94 × 58,746.40
  4. Step 4: Simplify right side
    114,906.94x = 10,125,290,993.62
  5. Step 5: Solve for x
    x = 10,125,290,993.62/114,906.94
  6. Step 6: Final answer
    x = 88,117.31

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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.