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Finding the Fourth Proportional to 348,357.68, 522,769.08 and 126,741.68

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Solution

The fourth proportional to 348,357.68, 522,769.08 and 126,741.68 is: 190,197.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,357.68 : 522,769.08 = 126,741.68 : x
  2. Step 2: Convert to fraction form
    348,357.68/522,769.08 = 126,741.68/x
  3. Step 3: Cross multiply
    348,357.68x = 522,769.08 × 126,741.68
  4. Step 4: Simplify right side
    348,357.68x = 66,256,631,451.25
  5. Step 5: Solve for x
    x = 66,256,631,451.25/348,357.68
  6. Step 6: Final answer
    x = 190,197.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.