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Finding the Fourth Proportional to 346,818.70, 520,262.70 and 94,103.20

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Solution

The fourth proportional to 346,818.70, 520,262.70 and 94,103.20 is: 141,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,818.70 : 520,262.70 = 94,103.20 : x
  2. Step 2: Convert to fraction form
    346,818.70/520,262.70 = 94,103.20/x
  3. Step 3: Cross multiply
    346,818.70x = 520,262.70 × 94,103.20
  4. Step 4: Simplify right side
    346,818.70x = 48,958,384,910.64
  5. Step 5: Solve for x
    x = 48,958,384,910.64/346,818.70
  6. Step 6: Final answer
    x = 141,164.20

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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.