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Finding the Fourth Proportional to 93,048.97, 128,407.22 and 50,608.21

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Solution

The fourth proportional to 93,048.97, 128,407.22 and 50,608.21 is: 69,839.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,048.97 : 128,407.22 = 50,608.21 : x
  2. Step 2: Convert to fraction form
    93,048.97/128,407.22 = 50,608.21/x
  3. Step 3: Cross multiply
    93,048.97x = 128,407.22 × 50,608.21
  4. Step 4: Simplify right side
    93,048.97x = 6,498,459,555.28
  5. Step 5: Solve for x
    x = 6,498,459,555.28/93,048.97
  6. Step 6: Final answer
    x = 69,839.13

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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.