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Finding the Fourth Proportional to 242,907.26, 335,212.61 and 135,484.25

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Solution

The fourth proportional to 242,907.26, 335,212.61 and 135,484.25 is: 186,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,907.26 : 335,212.61 = 135,484.25 : x
  2. Step 2: Convert to fraction form
    242,907.26/335,212.61 = 135,484.25/x
  3. Step 3: Cross multiply
    242,907.26x = 335,212.61 × 135,484.25
  4. Step 4: Simplify right side
    242,907.26x = 45,416,027,465.01
  5. Step 5: Solve for x
    x = 45,416,027,465.01/242,907.26
  6. Step 6: Final answer
    x = 186,968.59

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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.