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Finding the Fourth Proportional to 65,367,000.80, 97,798,558.80 and 42,692,184.80

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Solution

The fourth proportional to 65,367,000.80, 97,798,558.80 and 42,692,184.80 is: 63,873,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,367,000.80 : 97,798,558.80 = 42,692,184.80 : x
  2. Step 2: Convert to fraction form
    65,367,000.80/97,798,558.80 = 42,692,184.80/x
  3. Step 3: Cross multiply
    65,367,000.80x = 97,798,558.80 × 42,692,184.80
  4. Step 4: Simplify right side
    65,367,000.80x = 4,175,234,145,463,266
  5. Step 5: Solve for x
    x = 4,175,234,145,463,266/65,367,000.80
  6. Step 6: Final answer
    x = 63,873,729.78

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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.