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Finding the Fourth Proportional to 185,764.84, 278,687.58 and 61,101.16

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Solution

The fourth proportional to 185,764.84, 278,687.58 and 61,101.16 is: 91,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,764.84 : 278,687.58 = 61,101.16 : x
  2. Step 2: Convert to fraction form
    185,764.84/278,687.58 = 61,101.16/x
  3. Step 3: Cross multiply
    185,764.84x = 278,687.58 × 61,101.16
  4. Step 4: Simplify right side
    185,764.84x = 17,028,134,415.59
  5. Step 5: Solve for x
    x = 17,028,134,415.59/185,764.84
  6. Step 6: Final answer
    x = 91,665.00

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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.