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Finding the Fourth Proportional to 242,454.84, 334,563.70 and 135,034.86

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Solution

The fourth proportional to 242,454.84, 334,563.70 and 135,034.86 is: 186,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,454.84 : 334,563.70 = 135,034.86 : x
  2. Step 2: Convert to fraction form
    242,454.84/334,563.70 = 135,034.86/x
  3. Step 3: Cross multiply
    242,454.84x = 334,563.70 × 135,034.86
  4. Step 4: Simplify right side
    242,454.84x = 45,177,762,390.58
  5. Step 5: Solve for x
    x = 45,177,762,390.58/242,454.84
  6. Step 6: Final answer
    x = 186,334.75

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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.