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Finding the Fourth Proportional to 70,051.56, 105,054.66 and 23,293.50

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Solution

The fourth proportional to 70,051.56, 105,054.66 and 23,293.50 is: 34,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,051.56 : 105,054.66 = 23,293.50 : x
  2. Step 2: Convert to fraction form
    70,051.56/105,054.66 = 23,293.50/x
  3. Step 3: Cross multiply
    70,051.56x = 105,054.66 × 23,293.50
  4. Step 4: Simplify right side
    70,051.56x = 2,447,090,722.71
  5. Step 5: Solve for x
    x = 2,447,090,722.71/70,051.56
  6. Step 6: Final answer
    x = 34,932.71

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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.