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Finding the Fourth Proportional to 70,394.67, 105,526.26 and 26,009.64

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Solution

The fourth proportional to 70,394.67, 105,526.26 and 26,009.64 is: 38,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,394.67 : 105,526.26 = 26,009.64 : x
  2. Step 2: Convert to fraction form
    70,394.67/105,526.26 = 26,009.64/x
  3. Step 3: Cross multiply
    70,394.67x = 105,526.26 × 26,009.64
  4. Step 4: Simplify right side
    70,394.67x = 2,744,700,033.15
  5. Step 5: Solve for x
    x = 2,744,700,033.15/70,394.67
  6. Step 6: Final answer
    x = 38,990.17

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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.