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Finding the Fourth Proportional to 185,077.33, 277,730.25 and 72,737.80

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Solution

The fourth proportional to 185,077.33, 277,730.25 and 72,737.80 is: 109,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,077.33 : 277,730.25 = 72,737.80 : x
  2. Step 2: Convert to fraction form
    185,077.33/277,730.25 = 72,737.80/x
  3. Step 3: Cross multiply
    185,077.33x = 277,730.25 × 72,737.80
  4. Step 4: Simplify right side
    185,077.33x = 20,201,487,378.45
  5. Step 5: Solve for x
    x = 20,201,487,378.45/185,077.33
  6. Step 6: Final answer
    x = 109,151.60

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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.