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Finding the Fourth Proportional to 301,988.73, 452,650.92 and 124,398.87

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Solution

The fourth proportional to 301,988.73, 452,650.92 and 124,398.87 is: 186,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,988.73 : 452,650.92 = 124,398.87 : x
  2. Step 2: Convert to fraction form
    301,988.73/452,650.92 = 124,398.87/x
  3. Step 3: Cross multiply
    301,988.73x = 452,650.92 × 124,398.87
  4. Step 4: Simplify right side
    301,988.73x = 56,309,262,952.46
  5. Step 5: Solve for x
    x = 56,309,262,952.46/301,988.73
  6. Step 6: Final answer
    x = 186,461.47

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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.