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Finding the Fourth Proportional to 188,093.63, 281,658.74 and 103,760.06

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Solution

The fourth proportional to 188,093.63, 281,658.74 and 103,760.06 is: 155,374.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,093.63 : 281,658.74 = 103,760.06 : x
  2. Step 2: Convert to fraction form
    188,093.63/281,658.74 = 103,760.06/x
  3. Step 3: Cross multiply
    188,093.63x = 281,658.74 × 103,760.06
  4. Step 4: Simplify right side
    188,093.63x = 29,224,925,834.83
  5. Step 5: Solve for x
    x = 29,224,925,834.83/188,093.63
  6. Step 6: Final answer
    x = 155,374.35

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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.