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Finding the Fourth Proportional to 69,530.40, 104,295.60 and 25,158.60

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Solution

The fourth proportional to 69,530.40, 104,295.60 and 25,158.60 is: 37,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,530.40 : 104,295.60 = 25,158.60 : x
  2. Step 2: Convert to fraction form
    69,530.40/104,295.60 = 25,158.60/x
  3. Step 3: Cross multiply
    69,530.40x = 104,295.60 × 25,158.60
  4. Step 4: Simplify right side
    69,530.40x = 2,623,931,282.16
  5. Step 5: Solve for x
    x = 2,623,931,282.16/69,530.40
  6. Step 6: Final answer
    x = 37,737.90

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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.