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Finding the Fourth Proportional to 93,272.26, 139,949.70 and 48,888.46

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Solution

The fourth proportional to 93,272.26, 139,949.70 and 48,888.46 is: 73,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,272.26 : 139,949.70 = 48,888.46 : x
  2. Step 2: Convert to fraction form
    93,272.26/139,949.70 = 48,888.46/x
  3. Step 3: Cross multiply
    93,272.26x = 139,949.70 × 48,888.46
  4. Step 4: Simplify right side
    93,272.26x = 6,841,925,310.46
  5. Step 5: Solve for x
    x = 6,841,925,310.46/93,272.26
  6. Step 6: Final answer
    x = 73,354.34

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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.