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Finding the Fourth Proportional to 110,368.59, 152,313.66 and 65,048.49

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Solution

The fourth proportional to 110,368.59, 152,313.66 and 65,048.49 is: 89,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,368.59 : 152,313.66 = 65,048.49 : x
  2. Step 2: Convert to fraction form
    110,368.59/152,313.66 = 65,048.49/x
  3. Step 3: Cross multiply
    110,368.59x = 152,313.66 × 65,048.49
  4. Step 4: Simplify right side
    110,368.59x = 9,907,773,589.37
  5. Step 5: Solve for x
    x = 9,907,773,589.37/110,368.59
  6. Step 6: Final answer
    x = 89,769.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.