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Finding the Fourth Proportional to 70,636.54, 105,888.93 and 23,856.70

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Solution

The fourth proportional to 70,636.54, 105,888.93 and 23,856.70 is: 35,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,636.54 : 105,888.93 = 23,856.70 : x
  2. Step 2: Convert to fraction form
    70,636.54/105,888.93 = 23,856.70/x
  3. Step 3: Cross multiply
    70,636.54x = 105,888.93 × 23,856.70
  4. Step 4: Simplify right side
    70,636.54x = 2,526,160,082.15
  5. Step 5: Solve for x
    x = 2,526,160,082.15/70,636.54
  6. Step 6: Final answer
    x = 35,762.80

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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.