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Finding the Fourth Proportional to 100,148.35, 150,212.79 and 26,276.35

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Solution

The fourth proportional to 100,148.35, 150,212.79 and 26,276.35 is: 39,411.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,148.35 : 150,212.79 = 26,276.35 : x
  2. Step 2: Convert to fraction form
    100,148.35/150,212.79 = 26,276.35/x
  3. Step 3: Cross multiply
    100,148.35x = 150,212.79 × 26,276.35
  4. Step 4: Simplify right side
    100,148.35x = 3,947,043,844.52
  5. Step 5: Solve for x
    x = 3,947,043,844.52/100,148.35
  6. Step 6: Final answer
    x = 39,411.97

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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.