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Finding the Fourth Proportional to 96,898.70, 145,409.64 and 50,151.58

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Solution

The fourth proportional to 96,898.70, 145,409.64 and 50,151.58 is: 75,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,898.70 : 145,409.64 = 50,151.58 : x
  2. Step 2: Convert to fraction form
    96,898.70/145,409.64 = 50,151.58/x
  3. Step 3: Cross multiply
    96,898.70x = 145,409.64 × 50,151.58
  4. Step 4: Simplify right side
    96,898.70x = 7,292,523,193.23
  5. Step 5: Solve for x
    x = 7,292,523,193.23/96,898.70
  6. Step 6: Final answer
    x = 75,259.25

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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.