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Finding the Fourth Proportional to 69,695.01, 104,484.15 and 48,573.09

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Solution

The fourth proportional to 69,695.01, 104,484.15 and 48,573.09 is: 72,818.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,695.01 : 104,484.15 = 48,573.09 : x
  2. Step 2: Convert to fraction form
    69,695.01/104,484.15 = 48,573.09/x
  3. Step 3: Cross multiply
    69,695.01x = 104,484.15 × 48,573.09
  4. Step 4: Simplify right side
    69,695.01x = 5,075,118,021.52
  5. Step 5: Solve for x
    x = 5,075,118,021.52/69,695.01
  6. Step 6: Final answer
    x = 72,818.96

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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.