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Finding the Fourth Proportional to 147,262.10, 220,893.15 and 100,606.10

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Solution

The fourth proportional to 147,262.10, 220,893.15 and 100,606.10 is: 150,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,262.10 : 220,893.15 = 100,606.10 : x
  2. Step 2: Convert to fraction form
    147,262.10/220,893.15 = 100,606.10/x
  3. Step 3: Cross multiply
    147,262.10x = 220,893.15 × 100,606.10
  4. Step 4: Simplify right side
    147,262.10x = 22,223,198,338.22
  5. Step 5: Solve for x
    x = 22,223,198,338.22/147,262.10
  6. Step 6: Final answer
    x = 150,909.15

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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.