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Finding the Fourth Proportional to 93,640.56, 129,192.32 and 53,325.74

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Solution

The fourth proportional to 93,640.56, 129,192.32 and 53,325.74 is: 73,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,640.56 : 129,192.32 = 53,325.74 : x
  2. Step 2: Convert to fraction form
    93,640.56/129,192.32 = 53,325.74/x
  3. Step 3: Cross multiply
    93,640.56x = 129,192.32 × 53,325.74
  4. Step 4: Simplify right side
    93,640.56x = 6,889,275,153.73
  5. Step 5: Solve for x
    x = 6,889,275,153.73/93,640.56
  6. Step 6: Final answer
    x = 73,571.49

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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.