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Finding the Fourth Proportional to 97,615.90, 146,270.70 and 58,151.44

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Solution

The fourth proportional to 97,615.90, 146,270.70 and 58,151.44 is: 87,135.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,615.90 : 146,270.70 = 58,151.44 : x
  2. Step 2: Convert to fraction form
    97,615.90/146,270.70 = 58,151.44/x
  3. Step 3: Cross multiply
    97,615.90x = 146,270.70 × 58,151.44
  4. Step 4: Simplify right side
    97,615.90x = 8,505,851,834.81
  5. Step 5: Solve for x
    x = 8,505,851,834.81/97,615.90
  6. Step 6: Final answer
    x = 87,135.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.