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Finding the Fourth Proportional to 69,456.93, 104,075.94 and 53,700.39

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Solution

The fourth proportional to 69,456.93, 104,075.94 and 53,700.39 is: 80,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,456.93 : 104,075.94 = 53,700.39 : x
  2. Step 2: Convert to fraction form
    69,456.93/104,075.94 = 53,700.39/x
  3. Step 3: Cross multiply
    69,456.93x = 104,075.94 × 53,700.39
  4. Step 4: Simplify right side
    69,456.93x = 5,588,918,567.62
  5. Step 5: Solve for x
    x = 5,588,918,567.62/69,456.93
  6. Step 6: Final answer
    x = 80,465.96

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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.