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Finding the Fourth Proportional to 188,063.48, 259,527.84 and 103,180.88

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Solution

The fourth proportional to 188,063.48, 259,527.84 and 103,180.88 is: 142,389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,063.48 : 259,527.84 = 103,180.88 : x
  2. Step 2: Convert to fraction form
    188,063.48/259,527.84 = 103,180.88/x
  3. Step 3: Cross multiply
    188,063.48x = 259,527.84 × 103,180.88
  4. Step 4: Simplify right side
    188,063.48x = 26,778,310,915.70
  5. Step 5: Solve for x
    x = 26,778,310,915.70/188,063.48
  6. Step 6: Final answer
    x = 142,389.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.