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Finding the Fourth Proportional to 69,854.48, 104,746.80 and 34,813.52

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Solution

The fourth proportional to 69,854.48, 104,746.80 and 34,813.52 is: 52,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,854.48 : 104,746.80 = 34,813.52 : x
  2. Step 2: Convert to fraction form
    69,854.48/104,746.80 = 34,813.52/x
  3. Step 3: Cross multiply
    69,854.48x = 104,746.80 × 34,813.52
  4. Step 4: Simplify right side
    69,854.48x = 3,646,604,816.74
  5. Step 5: Solve for x
    x = 3,646,604,816.74/69,854.48
  6. Step 6: Final answer
    x = 52,202.88

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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.