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Finding the Fourth Proportional to 60,365.98, 90,643.74 and 51,127.12

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Solution

The fourth proportional to 60,365.98, 90,643.74 and 51,127.12 is: 76,770.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,365.98 : 90,643.74 = 51,127.12 : x
  2. Step 2: Convert to fraction form
    60,365.98/90,643.74 = 51,127.12/x
  3. Step 3: Cross multiply
    60,365.98x = 90,643.74 × 51,127.12
  4. Step 4: Simplify right side
    60,365.98x = 4,634,352,919.01
  5. Step 5: Solve for x
    x = 4,634,352,919.01/60,365.98
  6. Step 6: Final answer
    x = 76,770.94

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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.