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Finding the Fourth Proportional to 69,015.84, 103,357.59 and 46,761.74

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Solution

The fourth proportional to 69,015.84, 103,357.59 and 46,761.74 is: 70,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,015.84 : 103,357.59 = 46,761.74 : x
  2. Step 2: Convert to fraction form
    69,015.84/103,357.59 = 46,761.74/x
  3. Step 3: Cross multiply
    69,015.84x = 103,357.59 × 46,761.74
  4. Step 4: Simplify right side
    69,015.84x = 4,833,180,233.82
  5. Step 5: Solve for x
    x = 4,833,180,233.82/69,015.84
  6. Step 6: Final answer
    x = 70,030.01

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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.