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Finding the Fourth Proportional to 242,599, 334,793.10 and 135,173.56

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Solution

The fourth proportional to 242,599, 334,793.10 and 135,173.56 is: 186,543.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,599 : 334,793.10 = 135,173.56 : x
  2. Step 2: Convert to fraction form
    242,599/334,793.10 = 135,173.56/x
  3. Step 3: Cross multiply
    242,599x = 334,793.10 × 135,173.56
  4. Step 4: Simplify right side
    242,599x = 45,255,175,190.44
  5. Step 5: Solve for x
    x = 45,255,175,190.44/242,599
  6. Step 6: Final answer
    x = 186,543.12

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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.