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Finding the Fourth Proportional to 301,987.62, 452,649.29 and 124,397.78

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Solution

The fourth proportional to 301,987.62, 452,649.29 and 124,397.78 is: 186,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,987.62 : 452,649.29 = 124,397.78 : x
  2. Step 2: Convert to fraction form
    301,987.62/452,649.29 = 124,397.78/x
  3. Step 3: Cross multiply
    301,987.62x = 452,649.29 × 124,397.78
  4. Step 4: Simplify right side
    301,987.62x = 56,308,563,909.34
  5. Step 5: Solve for x
    x = 56,308,563,909.34/301,987.62
  6. Step 6: Final answer
    x = 186,459.84

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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.