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Finding the Fourth Proportional to 242,147.37, 334,163.37 and 134,717.38

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Solution

The fourth proportional to 242,147.37, 334,163.37 and 134,717.38 is: 185,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,147.37 : 334,163.37 = 134,717.38 : x
  2. Step 2: Convert to fraction form
    242,147.37/334,163.37 = 134,717.38/x
  3. Step 3: Cross multiply
    242,147.37x = 334,163.37 × 134,717.38
  4. Step 4: Simplify right side
    242,147.37x = 45,017,613,199.76
  5. Step 5: Solve for x
    x = 45,017,613,199.76/242,147.37
  6. Step 6: Final answer
    x = 185,909.98

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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.