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Finding the Fourth Proportional to 230,468.40, 345,921.30 and 141,894.90

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Solution

The fourth proportional to 230,468.40, 345,921.30 and 141,894.90 is: 212,977.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,468.40 : 345,921.30 = 141,894.90 : x
  2. Step 2: Convert to fraction form
    230,468.40/345,921.30 = 141,894.90/x
  3. Step 3: Cross multiply
    230,468.40x = 345,921.30 × 141,894.90
  4. Step 4: Simplify right side
    230,468.40x = 49,084,468,271.37
  5. Step 5: Solve for x
    x = 49,084,468,271.37/230,468.40
  6. Step 6: Final answer
    x = 212,977.00

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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.