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Finding the Fourth Proportional to 70,727.79, 106,095 and 23,347.01

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Solution

The fourth proportional to 70,727.79, 106,095 and 23,347.01 is: 35,021.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,727.79 : 106,095 = 23,347.01 : x
  2. Step 2: Convert to fraction form
    70,727.79/106,095 = 23,347.01/x
  3. Step 3: Cross multiply
    70,727.79x = 106,095 × 23,347.01
  4. Step 4: Simplify right side
    70,727.79x = 2,477,001,025.95
  5. Step 5: Solve for x
    x = 2,477,001,025.95/70,727.79
  6. Step 6: Final answer
    x = 35,021.61

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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.