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Finding the Fourth Proportional to 373,116.87, 559,322.69 and 148,615.92

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Solution

The fourth proportional to 373,116.87, 559,322.69 and 148,615.92 is: 222,783.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,116.87 : 559,322.69 = 148,615.92 : x
  2. Step 2: Convert to fraction form
    373,116.87/559,322.69 = 148,615.92/x
  3. Step 3: Cross multiply
    373,116.87x = 559,322.69 × 148,615.92
  4. Step 4: Simplify right side
    373,116.87x = 83,124,255,408.15
  5. Step 5: Solve for x
    x = 83,124,255,408.15/373,116.87
  6. Step 6: Final answer
    x = 222,783.43

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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.