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Finding the Fourth Proportional to 70,894.78, 97,833.98 and 40,267.67

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Solution

The fourth proportional to 70,894.78, 97,833.98 and 40,267.67 is: 55,568.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,894.78 : 97,833.98 = 40,267.67 : x
  2. Step 2: Convert to fraction form
    70,894.78/97,833.98 = 40,267.67/x
  3. Step 3: Cross multiply
    70,894.78x = 97,833.98 × 40,267.67
  4. Step 4: Simplify right side
    70,894.78x = 3,939,546,032.93
  5. Step 5: Solve for x
    x = 3,939,546,032.93/70,894.78
  6. Step 6: Final answer
    x = 55,568.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.