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Finding the Fourth Proportional to 93,285.87, 139,949.59 and 34,120.23

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Solution

The fourth proportional to 93,285.87, 139,949.59 and 34,120.23 is: 51,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,285.87 : 139,949.59 = 34,120.23 : x
  2. Step 2: Convert to fraction form
    93,285.87/139,949.59 = 34,120.23/x
  3. Step 3: Cross multiply
    93,285.87x = 139,949.59 × 34,120.23
  4. Step 4: Simplify right side
    93,285.87x = 4,775,112,199.21
  5. Step 5: Solve for x
    x = 4,775,112,199.21/93,285.87
  6. Step 6: Final answer
    x = 51,187.95

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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.