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Finding the Fourth Proportional to 93,110.77, 128,493.30 and 50,669.74

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Solution

The fourth proportional to 93,110.77, 128,493.30 and 50,669.74 is: 69,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,110.77 : 128,493.30 = 50,669.74 : x
  2. Step 2: Convert to fraction form
    93,110.77/128,493.30 = 50,669.74/x
  3. Step 3: Cross multiply
    93,110.77x = 128,493.30 × 50,669.74
  4. Step 4: Simplify right side
    93,110.77x = 6,510,722,102.74
  5. Step 5: Solve for x
    x = 6,510,722,102.74/93,110.77
  6. Step 6: Final answer
    x = 69,924.48

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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.