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Finding the Fourth Proportional to 243,064.80, 364,597.20 and 184,015.80

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Solution

The fourth proportional to 243,064.80, 364,597.20 and 184,015.80 is: 276,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,064.80 : 364,597.20 = 184,015.80 : x
  2. Step 2: Convert to fraction form
    243,064.80/364,597.20 = 184,015.80/x
  3. Step 3: Cross multiply
    243,064.80x = 364,597.20 × 184,015.80
  4. Step 4: Simplify right side
    243,064.80x = 67,091,645,435.76
  5. Step 5: Solve for x
    x = 67,091,645,435.76/243,064.80
  6. Step 6: Final answer
    x = 276,023.70

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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.