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Finding the Fourth Proportional to 93,920, 140,888.20 and 23,799.32

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Solution

The fourth proportional to 93,920, 140,888.20 and 23,799.32 is: 35,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,920 : 140,888.20 = 23,799.32 : x
  2. Step 2: Convert to fraction form
    93,920/140,888.20 = 23,799.32/x
  3. Step 3: Cross multiply
    93,920x = 140,888.20 × 23,799.32
  4. Step 4: Simplify right side
    93,920x = 3,353,042,651.58
  5. Step 5: Solve for x
    x = 3,353,042,651.58/93,920
  6. Step 6: Final answer
    x = 35,701.05

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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.