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Finding the Fourth Proportional to 301,988.56, 452,650.65 and 124,398.69

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Solution

The fourth proportional to 301,988.56, 452,650.65 and 124,398.69 is: 186,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,988.56 : 452,650.65 = 124,398.69 : x
  2. Step 2: Convert to fraction form
    301,988.56/452,650.65 = 124,398.69/x
  3. Step 3: Cross multiply
    301,988.56x = 452,650.65 × 124,398.69
  4. Step 4: Simplify right side
    301,988.56x = 56,309,147,887.65
  5. Step 5: Solve for x
    x = 56,309,147,887.65/301,988.56
  6. Step 6: Final answer
    x = 186,461.20

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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.