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Finding the Fourth Proportional to 242,759.58, 335,008.26 and 135,327.30

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Solution

The fourth proportional to 242,759.58, 335,008.26 and 135,327.30 is: 186,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,759.58 : 335,008.26 = 135,327.30 : x
  2. Step 2: Convert to fraction form
    242,759.58/335,008.26 = 135,327.30/x
  3. Step 3: Cross multiply
    242,759.58x = 335,008.26 × 135,327.30
  4. Step 4: Simplify right side
    242,759.58x = 45,335,763,303.50
  5. Step 5: Solve for x
    x = 45,335,763,303.50/242,759.58
  6. Step 6: Final answer
    x = 186,751.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.