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Finding the Fourth Proportional to 360,269.51, 540,502.68 and 107,561.66

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Solution

The fourth proportional to 360,269.51, 540,502.68 and 107,561.66 is: 161,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,269.51 : 540,502.68 = 107,561.66 : x
  2. Step 2: Convert to fraction form
    360,269.51/540,502.68 = 107,561.66/x
  3. Step 3: Cross multiply
    360,269.51x = 540,502.68 × 107,561.66
  4. Step 4: Simplify right side
    360,269.51x = 58,137,365,495.25
  5. Step 5: Solve for x
    x = 58,137,365,495.25/360,269.51
  6. Step 6: Final answer
    x = 161,371.87

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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.