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Finding the Fourth Proportional to 242,126.22, 334,134.81 and 134,697

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Solution

The fourth proportional to 242,126.22, 334,134.81 and 134,697 is: 185,882.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,126.22 : 334,134.81 = 134,697 : x
  2. Step 2: Convert to fraction form
    242,126.22/334,134.81 = 134,697/x
  3. Step 3: Cross multiply
    242,126.22x = 334,134.81 × 134,697
  4. Step 4: Simplify right side
    242,126.22x = 45,006,956,502.57
  5. Step 5: Solve for x
    x = 45,006,956,502.57/242,126.22
  6. Step 6: Final answer
    x = 185,882.21

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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.