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Finding the Fourth Proportional to 70,448.96, 97,237.94 and 43,575.84

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Solution

The fourth proportional to 70,448.96, 97,237.94 and 43,575.84 is: 60,146.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,448.96 : 97,237.94 = 43,575.84 : x
  2. Step 2: Convert to fraction form
    70,448.96/97,237.94 = 43,575.84/x
  3. Step 3: Cross multiply
    70,448.96x = 97,237.94 × 43,575.84
  4. Step 4: Simplify right side
    70,448.96x = 4,237,224,915.37
  5. Step 5: Solve for x
    x = 4,237,224,915.37/70,448.96
  6. Step 6: Final answer
    x = 60,146.03

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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.