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Finding the Fourth Proportional to 114,696.80, 172,045.20 and 93,701.60

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Solution

The fourth proportional to 114,696.80, 172,045.20 and 93,701.60 is: 140,552.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,696.80 : 172,045.20 = 93,701.60 : x
  2. Step 2: Convert to fraction form
    114,696.80/172,045.20 = 93,701.60/x
  3. Step 3: Cross multiply
    114,696.80x = 172,045.20 × 93,701.60
  4. Step 4: Simplify right side
    114,696.80x = 16,120,910,512.32
  5. Step 5: Solve for x
    x = 16,120,910,512.32/114,696.80
  6. Step 6: Final answer
    x = 140,552.40

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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.