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Finding the Fourth Proportional to 373,372.20, 559,985.40 and 124,054.20

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Solution

The fourth proportional to 373,372.20, 559,985.40 and 124,054.20 is: 186,057.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,372.20 : 559,985.40 = 124,054.20 : x
  2. Step 2: Convert to fraction form
    373,372.20/559,985.40 = 124,054.20/x
  3. Step 3: Cross multiply
    373,372.20x = 559,985.40 × 124,054.20
  4. Step 4: Simplify right side
    373,372.20x = 69,468,540,808.68
  5. Step 5: Solve for x
    x = 69,468,540,808.68/373,372.20
  6. Step 6: Final answer
    x = 186,057.08

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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.