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Finding the Fourth Proportional to 301,987.73, 452,649.42 and 124,397.87

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Solution

The fourth proportional to 301,987.73, 452,649.42 and 124,397.87 is: 186,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,987.73 : 452,649.42 = 124,397.87 : x
  2. Step 2: Convert to fraction form
    301,987.73/452,649.42 = 124,397.87/x
  3. Step 3: Cross multiply
    301,987.73x = 452,649.42 × 124,397.87
  4. Step 4: Simplify right side
    301,987.73x = 56,308,621,441.49
  5. Step 5: Solve for x
    x = 56,308,621,441.49/301,987.73
  6. Step 6: Final answer
    x = 186,459.97

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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.