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Finding the Fourth Proportional to 185,173.70, 255,538.90 and 103,501.84

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Solution

The fourth proportional to 185,173.70, 255,538.90 and 103,501.84 is: 142,832.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,173.70 : 255,538.90 = 103,501.84 : x
  2. Step 2: Convert to fraction form
    185,173.70/255,538.90 = 103,501.84/x
  3. Step 3: Cross multiply
    185,173.70x = 255,538.90 × 103,501.84
  4. Step 4: Simplify right side
    185,173.70x = 26,448,745,443.97
  5. Step 5: Solve for x
    x = 26,448,745,443.97/185,173.70
  6. Step 6: Final answer
    x = 142,832.09

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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.