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Finding the Fourth Proportional to 58,881.66, 81,166.22 and 36,178.18

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Solution

The fourth proportional to 58,881.66, 81,166.22 and 36,178.18 is: 49,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,881.66 : 81,166.22 = 36,178.18 : x
  2. Step 2: Convert to fraction form
    58,881.66/81,166.22 = 36,178.18/x
  3. Step 3: Cross multiply
    58,881.66x = 81,166.22 × 36,178.18
  4. Step 4: Simplify right side
    58,881.66x = 2,936,446,117.08
  5. Step 5: Solve for x
    x = 2,936,446,117.08/58,881.66
  6. Step 6: Final answer
    x = 49,870.30

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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.