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Finding the Fourth Proportional to 69,812.40, 104,603.40 and 59,444.40

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Solution

The fourth proportional to 69,812.40, 104,603.40 and 59,444.40 is: 89,068.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,812.40 : 104,603.40 = 59,444.40 : x
  2. Step 2: Convert to fraction form
    69,812.40/104,603.40 = 59,444.40/x
  3. Step 3: Cross multiply
    69,812.40x = 104,603.40 × 59,444.40
  4. Step 4: Simplify right side
    69,812.40x = 6,218,086,350.96
  5. Step 5: Solve for x
    x = 6,218,086,350.96/69,812.40
  6. Step 6: Final answer
    x = 89,068.51

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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.