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Finding the Fourth Proportional to 133,050.90, 199,615.23 and 39,558.90

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Solution

The fourth proportional to 133,050.90, 199,615.23 and 39,558.90 is: 59,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,050.90 : 199,615.23 = 39,558.90 : x
  2. Step 2: Convert to fraction form
    133,050.90/199,615.23 = 39,558.90/x
  3. Step 3: Cross multiply
    133,050.90x = 199,615.23 × 39,558.90
  4. Step 4: Simplify right side
    133,050.90x = 7,896,558,922.05
  5. Step 5: Solve for x
    x = 7,896,558,922.05/133,050.90
  6. Step 6: Final answer
    x = 59,349.91

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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.