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Finding the Fourth Proportional to 69,148.04, 95,291.70 and 47,887.88

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Solution

The fourth proportional to 69,148.04, 95,291.70 and 47,887.88 is: 65,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,148.04 : 95,291.70 = 47,887.88 : x
  2. Step 2: Convert to fraction form
    69,148.04/95,291.70 = 47,887.88/x
  3. Step 3: Cross multiply
    69,148.04x = 95,291.70 × 47,887.88
  4. Step 4: Simplify right side
    69,148.04x = 4,563,317,494.60
  5. Step 5: Solve for x
    x = 4,563,317,494.60/69,148.04
  6. Step 6: Final answer
    x = 65,993.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.