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Finding the Fourth Proportional to 242,264.70, 334,321.97 and 134,834.76

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Solution

The fourth proportional to 242,264.70, 334,321.97 and 134,834.76 is: 186,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,264.70 : 334,321.97 = 134,834.76 : x
  2. Step 2: Convert to fraction form
    242,264.70/334,321.97 = 134,834.76/x
  3. Step 3: Cross multiply
    242,264.70x = 334,321.97 × 134,834.76
  4. Step 4: Simplify right side
    242,264.70x = 45,078,221,913.50
  5. Step 5: Solve for x
    x = 45,078,221,913.50/242,264.70
  6. Step 6: Final answer
    x = 186,070.12

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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.