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Finding the Fourth Proportional to 277,200.10, 415,621.38 and 108,737.45

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Solution

The fourth proportional to 277,200.10, 415,621.38 and 108,737.45 is: 163,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,200.10 : 415,621.38 = 108,737.45 : x
  2. Step 2: Convert to fraction form
    277,200.10/415,621.38 = 108,737.45/x
  3. Step 3: Cross multiply
    277,200.10x = 415,621.38 × 108,737.45
  4. Step 4: Simplify right side
    277,200.10x = 45,193,608,303.27
  5. Step 5: Solve for x
    x = 45,193,608,303.27/277,200.10
  6. Step 6: Final answer
    x = 163,036.05

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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.