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Finding the Fourth Proportional to 93,339.65, 140,054.52 and 45,929.03

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Solution

The fourth proportional to 93,339.65, 140,054.52 and 45,929.03 is: 68,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,339.65 : 140,054.52 = 45,929.03 : x
  2. Step 2: Convert to fraction form
    93,339.65/140,054.52 = 45,929.03/x
  3. Step 3: Cross multiply
    93,339.65x = 140,054.52 × 45,929.03
  4. Step 4: Simplify right side
    93,339.65x = 6,432,567,550.44
  5. Step 5: Solve for x
    x = 6,432,567,550.44/93,339.65
  6. Step 6: Final answer
    x = 68,915.71

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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.