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Finding the Fourth Proportional to 100,358.99, 150,547.90 and 36,333.15

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Solution

The fourth proportional to 100,358.99, 150,547.90 and 36,333.15 is: 54,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,358.99 : 150,547.90 = 36,333.15 : x
  2. Step 2: Convert to fraction form
    100,358.99/150,547.90 = 36,333.15/x
  3. Step 3: Cross multiply
    100,358.99x = 150,547.90 × 36,333.15
  4. Step 4: Simplify right side
    100,358.99x = 5,469,879,432.89
  5. Step 5: Solve for x
    x = 5,469,879,432.89/100,358.99
  6. Step 6: Final answer
    x = 54,503.13

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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.