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Finding the Fourth Proportional to 62,507,999.80, 93,761,999.70 and 22,122,566.20

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Solution

The fourth proportional to 62,507,999.80, 93,761,999.70 and 22,122,566.20 is: 33,183,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,507,999.80 : 93,761,999.70 = 22,122,566.20 : x
  2. Step 2: Convert to fraction form
    62,507,999.80/93,761,999.70 = 22,122,566.20/x
  3. Step 3: Cross multiply
    62,507,999.80x = 93,761,999.70 × 22,122,566.20
  4. Step 4: Simplify right side
    62,507,999.80x = 2,074,256,045,407,630.25
  5. Step 5: Solve for x
    x = 2,074,256,045,407,630.25/62,507,999.80
  6. Step 6: Final answer
    x = 33,183,849.30

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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.