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Finding the Fourth Proportional to 104,962.80, 157,429.80 and 34,834.80

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Solution

The fourth proportional to 104,962.80, 157,429.80 and 34,834.80 is: 52,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,962.80 : 157,429.80 = 34,834.80 : x
  2. Step 2: Convert to fraction form
    104,962.80/157,429.80 = 34,834.80/x
  3. Step 3: Cross multiply
    104,962.80x = 157,429.80 × 34,834.80
  4. Step 4: Simplify right side
    104,962.80x = 5,484,035,597.04
  5. Step 5: Solve for x
    x = 5,484,035,597.04/104,962.80
  6. Step 6: Final answer
    x = 52,247.42

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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.