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Finding the Fourth Proportional to 43,642,762.80, 65,503,801.80 and 22,092,356.40

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Solution

The fourth proportional to 43,642,762.80, 65,503,801.80 and 22,092,356.40 is: 33,158,609.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,642,762.80 : 65,503,801.80 = 22,092,356.40 : x
  2. Step 2: Convert to fraction form
    43,642,762.80/65,503,801.80 = 22,092,356.40/x
  3. Step 3: Cross multiply
    43,642,762.80x = 65,503,801.80 × 22,092,356.40
  4. Step 4: Simplify right side
    43,642,762.80x = 1,447,133,334,920,561.25
  5. Step 5: Solve for x
    x = 1,447,133,334,920,561.25/43,642,762.80
  6. Step 6: Final answer
    x = 33,158,609.63

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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.