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Finding the Fourth Proportional to 242,879.06, 364,342.89 and 74,397.44

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Solution

The fourth proportional to 242,879.06, 364,342.89 and 74,397.44 is: 111,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,879.06 : 364,342.89 = 74,397.44 : x
  2. Step 2: Convert to fraction form
    242,879.06/364,342.89 = 74,397.44/x
  3. Step 3: Cross multiply
    242,879.06x = 364,342.89 × 74,397.44
  4. Step 4: Simplify right side
    242,879.06x = 27,106,178,298.20
  5. Step 5: Solve for x
    x = 27,106,178,298.20/242,879.06
  6. Step 6: Final answer
    x = 111,603.60

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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.