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Finding the Fourth Proportional to 147,035.20, 220,552.80 and 41,857.60

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Solution

The fourth proportional to 147,035.20, 220,552.80 and 41,857.60 is: 62,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,035.20 : 220,552.80 = 41,857.60 : x
  2. Step 2: Convert to fraction form
    147,035.20/220,552.80 = 41,857.60/x
  3. Step 3: Cross multiply
    147,035.20x = 220,552.80 × 41,857.60
  4. Step 4: Simplify right side
    147,035.20x = 9,231,810,881.28
  5. Step 5: Solve for x
    x = 9,231,810,881.28/147,035.20
  6. Step 6: Final answer
    x = 62,786.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.