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Finding the Fourth Proportional to 93,081.92, 139,646.30 and 29,907.68

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Solution

The fourth proportional to 93,081.92, 139,646.30 and 29,907.68 is: 44,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,081.92 : 139,646.30 = 29,907.68 : x
  2. Step 2: Convert to fraction form
    93,081.92/139,646.30 = 29,907.68/x
  3. Step 3: Cross multiply
    93,081.92x = 139,646.30 × 29,907.68
  4. Step 4: Simplify right side
    93,081.92x = 4,176,496,005.81
  5. Step 5: Solve for x
    x = 4,176,496,005.81/93,081.92
  6. Step 6: Final answer
    x = 44,869.04

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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.