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Finding the Fourth Proportional to 64,996.93, 97,430.81 and 45,233.97

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Solution

The fourth proportional to 64,996.93, 97,430.81 and 45,233.97 is: 67,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,996.93 : 97,430.81 = 45,233.97 : x
  2. Step 2: Convert to fraction form
    64,996.93/97,430.81 = 45,233.97/x
  3. Step 3: Cross multiply
    64,996.93x = 97,430.81 × 45,233.97
  4. Step 4: Simplify right side
    64,996.93x = 4,407,181,623.29
  5. Step 5: Solve for x
    x = 4,407,181,623.29/64,996.93
  6. Step 6: Final answer
    x = 67,806.00

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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.