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Finding the Fourth Proportional to 93,290.96, 139,990.66 and 39,251.68

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Solution

The fourth proportional to 93,290.96, 139,990.66 and 39,251.68 is: 58,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,290.96 : 139,990.66 = 39,251.68 : x
  2. Step 2: Convert to fraction form
    93,290.96/139,990.66 = 39,251.68/x
  3. Step 3: Cross multiply
    93,290.96x = 139,990.66 × 39,251.68
  4. Step 4: Simplify right side
    93,290.96x = 5,494,868,141.20
  5. Step 5: Solve for x
    x = 5,494,868,141.20/93,290.96
  6. Step 6: Final answer
    x = 58,900.33

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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.