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Finding the Fourth Proportional to 190,624.01, 285,485.13 and 165,527.64

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Solution

The fourth proportional to 190,624.01, 285,485.13 and 165,527.64 is: 247,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,624.01 : 285,485.13 = 165,527.64 : x
  2. Step 2: Convert to fraction form
    190,624.01/285,485.13 = 165,527.64/x
  3. Step 3: Cross multiply
    190,624.01x = 285,485.13 × 165,527.64
  4. Step 4: Simplify right side
    190,624.01x = 47,255,679,823.99
  5. Step 5: Solve for x
    x = 47,255,679,823.99/190,624.01
  6. Step 6: Final answer
    x = 247,899.94

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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.