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Finding the Fourth Proportional to 181,794.98, 272,702.95 and 55,439.54

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Solution

The fourth proportional to 181,794.98, 272,702.95 and 55,439.54 is: 83,162.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,794.98 : 272,702.95 = 55,439.54 : x
  2. Step 2: Convert to fraction form
    181,794.98/272,702.95 = 55,439.54/x
  3. Step 3: Cross multiply
    181,794.98x = 272,702.95 × 55,439.54
  4. Step 4: Simplify right side
    181,794.98x = 15,118,525,937.01
  5. Step 5: Solve for x
    x = 15,118,525,937.01/181,794.98
  6. Step 6: Final answer
    x = 83,162.50

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1.5x scale

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.