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Finding the Fourth Proportional to 190,366.65, 285,550.64 and 48,211.89

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Solution

The fourth proportional to 190,366.65, 285,550.64 and 48,211.89 is: 72,318.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,366.65 : 285,550.64 = 48,211.89 : x
  2. Step 2: Convert to fraction form
    190,366.65/285,550.64 = 48,211.89/x
  3. Step 3: Cross multiply
    190,366.65x = 285,550.64 × 48,211.89
  4. Step 4: Simplify right side
    190,366.65x = 13,766,936,045.11
  5. Step 5: Solve for x
    x = 13,766,936,045.11/190,366.65
  6. Step 6: Final answer
    x = 72,318.00

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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.