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Finding the Fourth Proportional to 93,205.22, 128,623.34 and 50,763.92

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Solution

The fourth proportional to 93,205.22, 128,623.34 and 50,763.92 is: 70,054.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,205.22 : 128,623.34 = 50,763.92 : x
  2. Step 2: Convert to fraction form
    93,205.22/128,623.34 = 50,763.92/x
  3. Step 3: Cross multiply
    93,205.22x = 128,623.34 × 50,763.92
  4. Step 4: Simplify right side
    93,205.22x = 6,529,424,425.69
  5. Step 5: Solve for x
    x = 6,529,424,425.69/93,205.22
  6. Step 6: Final answer
    x = 70,054.28

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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.