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Finding the Fourth Proportional to 70,153.93, 105,231.03 and 23,406.94

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Solution

The fourth proportional to 70,153.93, 105,231.03 and 23,406.94 is: 35,110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,153.93 : 105,231.03 = 23,406.94 : x
  2. Step 2: Convert to fraction form
    70,153.93/105,231.03 = 23,406.94/x
  3. Step 3: Cross multiply
    70,153.93x = 105,231.03 × 23,406.94
  4. Step 4: Simplify right side
    70,153.93x = 2,463,136,405.35
  5. Step 5: Solve for x
    x = 2,463,136,405.35/70,153.93
  6. Step 6: Final answer
    x = 35,110.46

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1.5x scale

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.