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Finding the Fourth Proportional to 242,354.62, 334,409.49 and 134,921.92

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Solution

The fourth proportional to 242,354.62, 334,409.49 and 134,921.92 is: 186,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,354.62 : 334,409.49 = 134,921.92 : x
  2. Step 2: Convert to fraction form
    242,354.62/334,409.49 = 134,921.92/x
  3. Step 3: Cross multiply
    242,354.62x = 334,409.49 × 134,921.92
  4. Step 4: Simplify right side
    242,354.62x = 45,119,170,457.02
  5. Step 5: Solve for x
    x = 45,119,170,457.02/242,354.62
  6. Step 6: Final answer
    x = 186,170.04

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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.