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Finding the Fourth Proportional to 163,810.83, 245,552.41 and 69,063.91

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Solution

The fourth proportional to 163,810.83, 245,552.41 and 69,063.91 is: 103,526.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,810.83 : 245,552.41 = 69,063.91 : x
  2. Step 2: Convert to fraction form
    163,810.83/245,552.41 = 69,063.91/x
  3. Step 3: Cross multiply
    163,810.83x = 245,552.41 × 69,063.91
  4. Step 4: Simplify right side
    163,810.83x = 16,958,809,544.52
  5. Step 5: Solve for x
    x = 16,958,809,544.52/163,810.83
  6. Step 6: Final answer
    x = 103,526.79

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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.