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Finding the Fourth Proportional to 73,354,090.80, 109,936,657.80 and 56,229,880.80

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Solution

The fourth proportional to 73,354,090.80, 109,936,657.80 and 56,229,880.80 is: 84,272,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,354,090.80 : 109,936,657.80 = 56,229,880.80 : x
  2. Step 2: Convert to fraction form
    73,354,090.80/109,936,657.80 = 56,229,880.80/x
  3. Step 3: Cross multiply
    73,354,090.80x = 109,936,657.80 × 56,229,880.80
  4. Step 4: Simplify right side
    73,354,090.80x = 6,181,725,163,644,390
  5. Step 5: Solve for x
    x = 6,181,725,163,644,390/73,354,090.80
  6. Step 6: Final answer
    x = 84,272,398.39

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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.