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Finding the Fourth Proportional to 346,878.60, 520,207.17 and 110,165.93

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Solution

The fourth proportional to 346,878.60, 520,207.17 and 110,165.93 is: 165,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,878.60 : 520,207.17 = 110,165.93 : x
  2. Step 2: Convert to fraction form
    346,878.60/520,207.17 = 110,165.93/x
  3. Step 3: Cross multiply
    346,878.60x = 520,207.17 × 110,165.93
  4. Step 4: Simplify right side
    346,878.60x = 57,309,104,074.68
  5. Step 5: Solve for x
    x = 57,309,104,074.68/346,878.60
  6. Step 6: Final answer
    x = 165,213.72

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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.