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Finding the Fourth Proportional to 242,365.77, 363,714.74 and 84,594.21

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Solution

The fourth proportional to 242,365.77, 363,714.74 and 84,594.21 is: 126,949.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,365.77 : 363,714.74 = 84,594.21 : x
  2. Step 2: Convert to fraction form
    242,365.77/363,714.74 = 84,594.21/x
  3. Step 3: Cross multiply
    242,365.77x = 363,714.74 × 84,594.21
  4. Step 4: Simplify right side
    242,365.77x = 30,768,160,672.68
  5. Step 5: Solve for x
    x = 30,768,160,672.68/242,365.77
  6. Step 6: Final answer
    x = 126,949.28

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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.