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Finding the Fourth Proportional to 100,310.14, 150,484.88 and 37,130.80

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Solution

The fourth proportional to 100,310.14, 150,484.88 and 37,130.80 is: 55,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,310.14 : 150,484.88 = 37,130.80 : x
  2. Step 2: Convert to fraction form
    100,310.14/150,484.88 = 37,130.80/x
  3. Step 3: Cross multiply
    100,310.14x = 150,484.88 × 37,130.80
  4. Step 4: Simplify right side
    100,310.14x = 5,587,623,981.08
  5. Step 5: Solve for x
    x = 5,587,623,981.08/100,310.14
  6. Step 6: Final answer
    x = 55,703.48

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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.