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Finding the Fourth Proportional to 100,341.45, 150,511.87 and 25,461.45

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Solution

The fourth proportional to 100,341.45, 150,511.87 and 25,461.45 is: 38,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,341.45 : 150,511.87 = 25,461.45 : x
  2. Step 2: Convert to fraction form
    100,341.45/150,511.87 = 25,461.45/x
  3. Step 3: Cross multiply
    100,341.45x = 150,511.87 × 25,461.45
  4. Step 4: Simplify right side
    100,341.45x = 3,832,250,452.41
  5. Step 5: Solve for x
    x = 3,832,250,452.41/100,341.45
  6. Step 6: Final answer
    x = 38,192.10

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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.