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Finding the Fourth Proportional to 242,254.34, 334,310.99 and 134,849.74

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Solution

The fourth proportional to 242,254.34, 334,310.99 and 134,849.74 is: 186,092.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,254.34 : 334,310.99 = 134,849.74 : x
  2. Step 2: Convert to fraction form
    242,254.34/334,310.99 = 134,849.74/x
  3. Step 3: Cross multiply
    242,254.34x = 334,310.99 × 134,849.74
  4. Step 4: Simplify right side
    242,254.34x = 45,081,749,197.45
  5. Step 5: Solve for x
    x = 45,081,749,197.45/242,254.34
  6. Step 6: Final answer
    x = 186,092.64

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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.