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Finding the Fourth Proportional to 190,424.92, 285,677.36 and 57,314.92

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Solution

The fourth proportional to 190,424.92, 285,677.36 and 57,314.92 is: 85,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,424.92 : 285,677.36 = 57,314.92 : x
  2. Step 2: Convert to fraction form
    190,424.92/285,677.36 = 57,314.92/x
  3. Step 3: Cross multiply
    190,424.92x = 285,677.36 × 57,314.92
  4. Step 4: Simplify right side
    190,424.92x = 16,373,575,034.21
  5. Step 5: Solve for x
    x = 16,373,575,034.21/190,424.92
  6. Step 6: Final answer
    x = 85,984.41

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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.