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Finding the Fourth Proportional to 346,820.70, 520,265.70 and 94,105.20

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Solution

The fourth proportional to 346,820.70, 520,265.70 and 94,105.20 is: 141,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,820.70 : 520,265.70 = 94,105.20 : x
  2. Step 2: Convert to fraction form
    346,820.70/520,265.70 = 94,105.20/x
  3. Step 3: Cross multiply
    346,820.70x = 520,265.70 × 94,105.20
  4. Step 4: Simplify right side
    346,820.70x = 48,959,707,751.64
  5. Step 5: Solve for x
    x = 48,959,707,751.64/346,820.70
  6. Step 6: Final answer
    x = 141,167.20

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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.