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Finding the Fourth Proportional to 184,600.20, 276,681.60 and 137,798.40

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Solution

The fourth proportional to 184,600.20, 276,681.60 and 137,798.40 is: 206,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,600.20 : 276,681.60 = 137,798.40 : x
  2. Step 2: Convert to fraction form
    184,600.20/276,681.60 = 137,798.40/x
  3. Step 3: Cross multiply
    184,600.20x = 276,681.60 × 137,798.40
  4. Step 4: Simplify right side
    184,600.20x = 38,126,281,789.44
  5. Step 5: Solve for x
    x = 38,126,281,789.44/184,600.20
  6. Step 6: Final answer
    x = 206,534.35

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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.