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Finding the Fourth Proportional to 188,328.96, 282,491.52 and 57,000.96

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Solution

The fourth proportional to 188,328.96, 282,491.52 and 57,000.96 is: 85,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,328.96 : 282,491.52 = 57,000.96 : x
  2. Step 2: Convert to fraction form
    188,328.96/282,491.52 = 57,000.96/x
  3. Step 3: Cross multiply
    188,328.96x = 282,491.52 × 57,000.96
  4. Step 4: Simplify right side
    188,328.96x = 16,102,287,831.86
  5. Step 5: Solve for x
    x = 16,102,287,831.86/188,328.96
  6. Step 6: Final answer
    x = 85,500.86

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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.