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Finding the Fourth Proportional to 70,898.25, 97,840.80 and 45,791.49

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Solution

The fourth proportional to 70,898.25, 97,840.80 and 45,791.49 is: 63,193.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,898.25 : 97,840.80 = 45,791.49 : x
  2. Step 2: Convert to fraction form
    70,898.25/97,840.80 = 45,791.49/x
  3. Step 3: Cross multiply
    70,898.25x = 97,840.80 × 45,791.49
  4. Step 4: Simplify right side
    70,898.25x = 4,480,276,014.79
  5. Step 5: Solve for x
    x = 4,480,276,014.79/70,898.25
  6. Step 6: Final answer
    x = 63,193.04

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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.