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Finding the Fourth Proportional to 69,063.54, 103,595.29 and 45,684.51

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Solution

The fourth proportional to 69,063.54, 103,595.29 and 45,684.51 is: 68,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,063.54 : 103,595.29 = 45,684.51 : x
  2. Step 2: Convert to fraction form
    69,063.54/103,595.29 = 45,684.51/x
  3. Step 3: Cross multiply
    69,063.54x = 103,595.29 × 45,684.51
  4. Step 4: Simplify right side
    69,063.54x = 4,732,700,061.96
  5. Step 5: Solve for x
    x = 4,732,700,061.96/69,063.54
  6. Step 6: Final answer
    x = 68,526.75

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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.