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Finding the Fourth Proportional to 70,474.93, 105,710.33 and 26,100.70

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Solution

The fourth proportional to 70,474.93, 105,710.33 and 26,100.70 is: 39,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,474.93 : 105,710.33 = 26,100.70 : x
  2. Step 2: Convert to fraction form
    70,474.93/105,710.33 = 26,100.70/x
  3. Step 3: Cross multiply
    70,474.93x = 105,710.33 × 26,100.70
  4. Step 4: Simplify right side
    70,474.93x = 2,759,113,411.21
  5. Step 5: Solve for x
    x = 2,759,113,411.21/70,474.93
  6. Step 6: Final answer
    x = 39,150.28

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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.