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Finding the Fourth Proportional to 373,281.40, 559,922.10 and 123,963.40

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Solution

The fourth proportional to 373,281.40, 559,922.10 and 123,963.40 is: 185,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,281.40 : 559,922.10 = 123,963.40 : x
  2. Step 2: Convert to fraction form
    373,281.40/559,922.10 = 123,963.40/x
  3. Step 3: Cross multiply
    373,281.40x = 559,922.10 × 123,963.40
  4. Step 4: Simplify right side
    373,281.40x = 69,409,847,251.14
  5. Step 5: Solve for x
    x = 69,409,847,251.14/373,281.40
  6. Step 6: Final answer
    x = 185,945.10

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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.