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Finding the Fourth Proportional to 230,752.53, 346,169.43 and 78,913.91

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Solution

The fourth proportional to 230,752.53, 346,169.43 and 78,913.91 is: 118,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,752.53 : 346,169.43 = 78,913.91 : x
  2. Step 2: Convert to fraction form
    230,752.53/346,169.43 = 78,913.91/x
  3. Step 3: Cross multiply
    230,752.53x = 346,169.43 × 78,913.91
  4. Step 4: Simplify right side
    230,752.53x = 27,317,584,109.19
  5. Step 5: Solve for x
    x = 27,317,584,109.19/230,752.53
  6. Step 6: Final answer
    x = 118,384.77

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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.