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Finding the Fourth Proportional to 190,502.91, 285,554.32 and 64,099.27

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Solution

The fourth proportional to 190,502.91, 285,554.32 and 64,099.27 is: 96,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,502.91 : 285,554.32 = 64,099.27 : x
  2. Step 2: Convert to fraction form
    190,502.91/285,554.32 = 64,099.27/x
  3. Step 3: Cross multiply
    190,502.91x = 285,554.32 × 64,099.27
  4. Step 4: Simplify right side
    190,502.91x = 18,303,823,457.35
  5. Step 5: Solve for x
    x = 18,303,823,457.35/190,502.91
  6. Step 6: Final answer
    x = 96,081.60

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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.