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Finding the Fourth Proportional to 93,313.85, 139,970.69 and 23,193.16

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Solution

The fourth proportional to 93,313.85, 139,970.69 and 23,193.16 is: 34,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,313.85 : 139,970.69 = 23,193.16 : x
  2. Step 2: Convert to fraction form
    93,313.85/139,970.69 = 23,193.16/x
  3. Step 3: Cross multiply
    93,313.85x = 139,970.69 × 23,193.16
  4. Step 4: Simplify right side
    93,313.85x = 3,246,362,608.48
  5. Step 5: Solve for x
    x = 3,246,362,608.48/93,313.85
  6. Step 6: Final answer
    x = 34,789.72

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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.