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Finding the Fourth Proportional to 93,224.67, 128,649.37 and 50,783.19

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Solution

The fourth proportional to 93,224.67, 128,649.37 and 50,783.19 is: 70,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,224.67 : 128,649.37 = 50,783.19 : x
  2. Step 2: Convert to fraction form
    93,224.67/128,649.37 = 50,783.19/x
  3. Step 3: Cross multiply
    93,224.67x = 128,649.37 × 50,783.19
  4. Step 4: Simplify right side
    93,224.67x = 6,533,225,400.09
  5. Step 5: Solve for x
    x = 6,533,225,400.09/93,224.67
  6. Step 6: Final answer
    x = 70,080.43

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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.