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Finding the Fourth Proportional to 99,533.80, 149,300.70 and 37,196.20

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Solution

The fourth proportional to 99,533.80, 149,300.70 and 37,196.20 is: 55,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,533.80 : 149,300.70 = 37,196.20 : x
  2. Step 2: Convert to fraction form
    99,533.80/149,300.70 = 37,196.20/x
  3. Step 3: Cross multiply
    99,533.80x = 149,300.70 × 37,196.20
  4. Step 4: Simplify right side
    99,533.80x = 5,553,418,697.34
  5. Step 5: Solve for x
    x = 5,553,418,697.34/99,533.80
  6. Step 6: Final answer
    x = 55,794.30

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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.