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Finding the Fourth Proportional to 184,874.40, 276,728.40 and 132,386.40

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Solution

The fourth proportional to 184,874.40, 276,728.40 and 132,386.40 is: 198,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,874.40 : 276,728.40 = 132,386.40 : x
  2. Step 2: Convert to fraction form
    184,874.40/276,728.40 = 132,386.40/x
  3. Step 3: Cross multiply
    184,874.40x = 276,728.40 × 132,386.40
  4. Step 4: Simplify right side
    184,874.40x = 36,635,076,653.76
  5. Step 5: Solve for x
    x = 36,635,076,653.76/184,874.40
  6. Step 6: Final answer
    x = 198,161.98

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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.