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Finding the Fourth Proportional to 255,855.16, 383,550.42 and 89,552.44

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Solution

The fourth proportional to 255,855.16, 383,550.42 and 89,552.44 is: 134,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,855.16 : 383,550.42 = 89,552.44 : x
  2. Step 2: Convert to fraction form
    255,855.16/383,550.42 = 89,552.44/x
  3. Step 3: Cross multiply
    255,855.16x = 383,550.42 × 89,552.44
  4. Step 4: Simplify right side
    255,855.16x = 34,347,875,974.02
  5. Step 5: Solve for x
    x = 34,347,875,974.02/255,855.16
  6. Step 6: Final answer
    x = 134,247.35

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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.