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Finding the Fourth Proportional to 69,468.58, 104,202.87 and 46,140.58

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Solution

The fourth proportional to 69,468.58, 104,202.87 and 46,140.58 is: 69,210.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,468.58 : 104,202.87 = 46,140.58 : x
  2. Step 2: Convert to fraction form
    69,468.58/104,202.87 = 46,140.58/x
  3. Step 3: Cross multiply
    69,468.58x = 104,202.87 × 46,140.58
  4. Step 4: Simplify right side
    69,468.58x = 4,807,980,859.46
  5. Step 5: Solve for x
    x = 4,807,980,859.46/69,468.58
  6. Step 6: Final answer
    x = 69,210.87

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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.