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Finding the Fourth Proportional to 175,638, 242,380.40 and 95,066.19

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Solution

The fourth proportional to 175,638, 242,380.40 and 95,066.19 is: 131,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,638 : 242,380.40 = 95,066.19 : x
  2. Step 2: Convert to fraction form
    175,638/242,380.40 = 95,066.19/x
  3. Step 3: Cross multiply
    175,638x = 242,380.40 × 95,066.19
  4. Step 4: Simplify right side
    175,638x = 23,042,180,683.35
  5. Step 5: Solve for x
    x = 23,042,180,683.35/175,638
  6. Step 6: Final answer
    x = 131,191.32

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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.