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Finding the Fourth Proportional to 69,313,735.80, 95,652,978.72 and 37,953,768.24

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Solution

The fourth proportional to 69,313,735.80, 95,652,978.72 and 37,953,768.24 is: 52,376,212.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,313,735.80 : 95,652,978.72 = 37,953,768.24 : x
  2. Step 2: Convert to fraction form
    69,313,735.80/95,652,978.72 = 37,953,768.24/x
  3. Step 3: Cross multiply
    69,313,735.80x = 95,652,978.72 × 37,953,768.24
  4. Step 4: Simplify right side
    69,313,735.80x = 3,630,390,985,804,532
  5. Step 5: Solve for x
    x = 3,630,390,985,804,532/69,313,735.80
  6. Step 6: Final answer
    x = 52,376,212.94

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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.