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Finding the Fourth Proportional to 157,363.44, 217,250.55 and 109,035.60

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Solution

The fourth proportional to 157,363.44, 217,250.55 and 109,035.60 is: 150,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,363.44 : 217,250.55 = 109,035.60 : x
  2. Step 2: Convert to fraction form
    157,363.44/217,250.55 = 109,035.60/x
  3. Step 3: Cross multiply
    157,363.44x = 217,250.55 × 109,035.60
  4. Step 4: Simplify right side
    157,363.44x = 23,688,044,069.58
  5. Step 5: Solve for x
    x = 23,688,044,069.58/157,363.44
  6. Step 6: Final answer
    x = 150,530.80

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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.