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Finding the Fourth Proportional to 190,469.04, 285,704.04 and 57,349.68

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Solution

The fourth proportional to 190,469.04, 285,704.04 and 57,349.68 is: 86,024.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,469.04 : 285,704.04 = 57,349.68 : x
  2. Step 2: Convert to fraction form
    190,469.04/285,704.04 = 57,349.68/x
  3. Step 3: Cross multiply
    190,469.04x = 285,704.04 × 57,349.68
  4. Step 4: Simplify right side
    190,469.04x = 16,385,035,268.71
  5. Step 5: Solve for x
    x = 16,385,035,268.71/190,469.04
  6. Step 6: Final answer
    x = 86,024.66

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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.