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Finding the Fourth Proportional to 185,064.47, 277,699.35 and 90,295.44

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Solution

The fourth proportional to 185,064.47, 277,699.35 and 90,295.44 is: 135,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,064.47 : 277,699.35 = 90,295.44 : x
  2. Step 2: Convert to fraction form
    185,064.47/277,699.35 = 90,295.44/x
  3. Step 3: Cross multiply
    185,064.47x = 277,699.35 × 90,295.44
  4. Step 4: Simplify right side
    185,064.47x = 25,074,984,995.96
  5. Step 5: Solve for x
    x = 25,074,984,995.96/185,064.47
  6. Step 6: Final answer
    x = 135,493.25

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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.