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Finding the Fourth Proportional to 242,369.34, 334,468.92 and 134,936.58

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Solution

The fourth proportional to 242,369.34, 334,468.92 and 134,936.58 is: 186,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,369.34 : 334,468.92 = 134,936.58 : x
  2. Step 2: Convert to fraction form
    242,369.34/334,468.92 = 134,936.58/x
  3. Step 3: Cross multiply
    242,369.34x = 334,468.92 × 134,936.58
  4. Step 4: Simplify right side
    242,369.34x = 45,132,092,181.09
  5. Step 5: Solve for x
    x = 45,132,092,181.09/242,369.34
  6. Step 6: Final answer
    x = 186,212.05

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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.