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Finding the Fourth Proportional to 93,203.68, 128,622.54 and 50,762.17

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Solution

The fourth proportional to 93,203.68, 128,622.54 and 50,762.17 is: 70,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,203.68 : 128,622.54 = 50,762.17 : x
  2. Step 2: Convert to fraction form
    93,203.68/128,622.54 = 50,762.17/x
  3. Step 3: Cross multiply
    93,203.68x = 128,622.54 × 50,762.17
  4. Step 4: Simplify right side
    93,203.68x = 6,529,159,241.31
  5. Step 5: Solve for x
    x = 6,529,159,241.31/93,203.68
  6. Step 6: Final answer
    x = 70,052.59

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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.