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Finding the Fourth Proportional to 70,868.86, 97,794.63 and 39,035.98

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Solution

The fourth proportional to 70,868.86, 97,794.63 and 39,035.98 is: 53,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,868.86 : 97,794.63 = 39,035.98 : x
  2. Step 2: Convert to fraction form
    70,868.86/97,794.63 = 39,035.98/x
  3. Step 3: Cross multiply
    70,868.86x = 97,794.63 × 39,035.98
  4. Step 4: Simplify right side
    70,868.86x = 3,817,509,220.79
  5. Step 5: Solve for x
    x = 3,817,509,220.79/70,868.86
  6. Step 6: Final answer
    x = 53,867.23

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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.