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Finding the Fourth Proportional to 242,504.57, 334,664.65 and 140,530.22

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Solution

The fourth proportional to 242,504.57, 334,664.65 and 140,530.22 is: 193,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,504.57 : 334,664.65 = 140,530.22 : x
  2. Step 2: Convert to fraction form
    242,504.57/334,664.65 = 140,530.22/x
  3. Step 3: Cross multiply
    242,504.57x = 334,664.65 × 140,530.22
  4. Step 4: Simplify right side
    242,504.57x = 47,030,497,740.06
  5. Step 5: Solve for x
    x = 47,030,497,740.06/242,504.57
  6. Step 6: Final answer
    x = 193,936.54

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1.5x scale

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.