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Finding the Fourth Proportional to 115,781.29, 173,670.04 and 36,894.45

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Solution

The fourth proportional to 115,781.29, 173,670.04 and 36,894.45 is: 55,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,781.29 : 173,670.04 = 36,894.45 : x
  2. Step 2: Convert to fraction form
    115,781.29/173,670.04 = 36,894.45/x
  3. Step 3: Cross multiply
    115,781.29x = 173,670.04 × 36,894.45
  4. Step 4: Simplify right side
    115,781.29x = 6,407,460,607.28
  5. Step 5: Solve for x
    x = 6,407,460,607.28/115,781.29
  6. Step 6: Final answer
    x = 55,341.07

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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.