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Finding the Fourth Proportional to 133,040.40, 199,599.48 and 39,548.40

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Solution

The fourth proportional to 133,040.40, 199,599.48 and 39,548.40 is: 59,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,040.40 : 199,599.48 = 39,548.40 : x
  2. Step 2: Convert to fraction form
    133,040.40/199,599.48 = 39,548.40/x
  3. Step 3: Cross multiply
    133,040.40x = 199,599.48 × 39,548.40
  4. Step 4: Simplify right side
    133,040.40x = 7,893,840,074.83
  5. Step 5: Solve for x
    x = 7,893,840,074.83/133,040.40
  6. Step 6: Final answer
    x = 59,334.16

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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.