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Finding the Fourth Proportional to 99,627.60, 149,455.80 and 33,070.80

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Solution

The fourth proportional to 99,627.60, 149,455.80 and 33,070.80 is: 49,610.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,627.60 : 149,455.80 = 33,070.80 : x
  2. Step 2: Convert to fraction form
    99,627.60/149,455.80 = 33,070.80/x
  3. Step 3: Cross multiply
    99,627.60x = 149,455.80 × 33,070.80
  4. Step 4: Simplify right side
    99,627.60x = 4,942,622,870.64
  5. Step 5: Solve for x
    x = 4,942,622,870.64/99,627.60
  6. Step 6: Final answer
    x = 49,610.98

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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.