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Finding the Fourth Proportional to 69,357.19, 104,041.93 and 19,437.89

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Solution

The fourth proportional to 69,357.19, 104,041.93 and 19,437.89 is: 29,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,357.19 : 104,041.93 = 19,437.89 : x
  2. Step 2: Convert to fraction form
    69,357.19/104,041.93 = 19,437.89/x
  3. Step 3: Cross multiply
    69,357.19x = 104,041.93 × 19,437.89
  4. Step 4: Simplify right side
    69,357.19x = 2,022,355,232.01
  5. Step 5: Solve for x
    x = 2,022,355,232.01/69,357.19
  6. Step 6: Final answer
    x = 29,158.55

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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.