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Finding the Fourth Proportional to 93,073.98, 128,441.48 and 50,632.68

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Solution

The fourth proportional to 93,073.98, 128,441.48 and 50,632.68 is: 69,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,073.98 : 128,441.48 = 50,632.68 : x
  2. Step 2: Convert to fraction form
    93,073.98/128,441.48 = 50,632.68/x
  3. Step 3: Cross multiply
    93,073.98x = 128,441.48 × 50,632.68
  4. Step 4: Simplify right side
    93,073.98x = 6,503,336,355.57
  5. Step 5: Solve for x
    x = 6,503,336,355.57/93,073.98
  6. Step 6: Final answer
    x = 69,872.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.