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Finding the Fourth Proportional to 188,706.60, 282,951.36 and 112,880.88

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Solution

The fourth proportional to 188,706.60, 282,951.36 and 112,880.88 is: 169,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,706.60 : 282,951.36 = 112,880.88 : x
  2. Step 2: Convert to fraction form
    188,706.60/282,951.36 = 112,880.88/x
  3. Step 3: Cross multiply
    188,706.60x = 282,951.36 × 112,880.88
  4. Step 4: Simplify right side
    188,706.60x = 31,939,799,644.68
  5. Step 5: Solve for x
    x = 31,939,799,644.68/188,706.60
  6. Step 6: Final answer
    x = 169,256.40

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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.