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Finding the Fourth Proportional to 346,512.80, 519,803.22 and 144,067.08

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Solution

The fourth proportional to 346,512.80, 519,803.22 and 144,067.08 is: 216,114.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,512.80 : 519,803.22 = 144,067.08 : x
  2. Step 2: Convert to fraction form
    346,512.80/519,803.22 = 144,067.08/x
  3. Step 3: Cross multiply
    346,512.80x = 519,803.22 × 144,067.08
  4. Step 4: Simplify right side
    346,512.80x = 74,886,532,080.00
  5. Step 5: Solve for x
    x = 74,886,532,080.00/346,512.80
  6. Step 6: Final answer
    x = 216,114.76

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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.