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Finding the Fourth Proportional to 184,999.20, 277,498.80 and 66,674.40

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Solution

The fourth proportional to 184,999.20, 277,498.80 and 66,674.40 is: 100,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,999.20 : 277,498.80 = 66,674.40 : x
  2. Step 2: Convert to fraction form
    184,999.20/277,498.80 = 66,674.40/x
  3. Step 3: Cross multiply
    184,999.20x = 277,498.80 × 66,674.40
  4. Step 4: Simplify right side
    184,999.20x = 18,502,065,990.72
  5. Step 5: Solve for x
    x = 18,502,065,990.72/184,999.20
  6. Step 6: Final answer
    x = 100,011.60

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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.