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Finding the Fourth Proportional to 70,645.88, 97,448.04 and 41,946.05

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Solution

The fourth proportional to 70,645.88, 97,448.04 and 41,946.05 is: 57,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,645.88 : 97,448.04 = 41,946.05 : x
  2. Step 2: Convert to fraction form
    70,645.88/97,448.04 = 41,946.05/x
  3. Step 3: Cross multiply
    70,645.88x = 97,448.04 × 41,946.05
  4. Step 4: Simplify right side
    70,645.88x = 4,087,559,871.00
  5. Step 5: Solve for x
    x = 4,087,559,871.00/70,645.88
  6. Step 6: Final answer
    x = 57,859.85

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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.