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Finding the Fourth Proportional to 301,732.94, 452,621.28 and 91,387.28

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Solution

The fourth proportional to 301,732.94, 452,621.28 and 91,387.28 is: 137,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,732.94 : 452,621.28 = 91,387.28 : x
  2. Step 2: Convert to fraction form
    301,732.94/452,621.28 = 91,387.28/x
  3. Step 3: Cross multiply
    301,732.94x = 452,621.28 × 91,387.28
  4. Step 4: Simplify right side
    301,732.94x = 41,363,827,649.32
  5. Step 5: Solve for x
    x = 41,363,827,649.32/301,732.94
  6. Step 6: Final answer
    x = 137,087.54

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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.