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Finding the Fourth Proportional to 104,795.98, 157,140.57 and 51,491.50

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Solution

The fourth proportional to 104,795.98, 157,140.57 and 51,491.50 is: 77,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,795.98 : 157,140.57 = 51,491.50 : x
  2. Step 2: Convert to fraction form
    104,795.98/157,140.57 = 51,491.50/x
  3. Step 3: Cross multiply
    104,795.98x = 157,140.57 × 51,491.50
  4. Step 4: Simplify right side
    104,795.98x = 8,091,403,660.16
  5. Step 5: Solve for x
    x = 8,091,403,660.16/104,795.98
  6. Step 6: Final answer
    x = 77,211.01

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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.