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Finding the Fourth Proportional to 93,203.97, 128,621.46 and 50,762.50

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Solution

The fourth proportional to 93,203.97, 128,621.46 and 50,762.50 is: 70,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,203.97 : 128,621.46 = 50,762.50 : x
  2. Step 2: Convert to fraction form
    93,203.97/128,621.46 = 50,762.50/x
  3. Step 3: Cross multiply
    93,203.97x = 128,621.46 × 50,762.50
  4. Step 4: Simplify right side
    93,203.97x = 6,529,146,732.06
  5. Step 5: Solve for x
    x = 6,529,146,732.06/93,203.97
  6. Step 6: Final answer
    x = 70,052.24

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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.