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Finding the Fourth Proportional to 101,093.85, 151,640.78 and 93,220.65

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Solution

The fourth proportional to 101,093.85, 151,640.78 and 93,220.65 is: 139,830.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,093.85 : 151,640.78 = 93,220.65 : x
  2. Step 2: Convert to fraction form
    101,093.85/151,640.78 = 93,220.65/x
  3. Step 3: Cross multiply
    101,093.85x = 151,640.78 × 93,220.65
  4. Step 4: Simplify right side
    101,093.85x = 14,136,051,612.00
  5. Step 5: Solve for x
    x = 14,136,051,612.00/101,093.85
  6. Step 6: Final answer
    x = 139,830.98

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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.