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Finding the Fourth Proportional to 91,783.96, 137,717.25 and 49,614.67

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Solution

The fourth proportional to 91,783.96, 137,717.25 and 49,614.67 is: 74,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,783.96 : 137,717.25 = 49,614.67 : x
  2. Step 2: Convert to fraction form
    91,783.96/137,717.25 = 49,614.67/x
  3. Step 3: Cross multiply
    91,783.96x = 137,717.25 × 49,614.67
  4. Step 4: Simplify right side
    91,783.96x = 6,832,795,567.76
  5. Step 5: Solve for x
    x = 6,832,795,567.76/91,783.96
  6. Step 6: Final answer
    x = 74,444.33

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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.