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Finding the Fourth Proportional to 73,670.66, 110,583.32 and 65,290.79

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Solution

The fourth proportional to 73,670.66, 110,583.32 and 65,290.79 is: 98,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,670.66 : 110,583.32 = 65,290.79 : x
  2. Step 2: Convert to fraction form
    73,670.66/110,583.32 = 65,290.79/x
  3. Step 3: Cross multiply
    73,670.66x = 110,583.32 × 65,290.79
  4. Step 4: Simplify right side
    73,670.66x = 7,220,071,444.25
  5. Step 5: Solve for x
    x = 7,220,071,444.25/73,670.66
  6. Step 6: Final answer
    x = 98,004.71

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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.