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Finding the Fourth Proportional to 104,813.98, 157,148.04 and 64,828.36

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Solution

The fourth proportional to 104,813.98, 157,148.04 and 64,828.36 is: 97,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,813.98 : 157,148.04 = 64,828.36 : x
  2. Step 2: Convert to fraction form
    104,813.98/157,148.04 = 64,828.36/x
  3. Step 3: Cross multiply
    104,813.98x = 157,148.04 × 64,828.36
  4. Step 4: Simplify right side
    104,813.98x = 10,187,649,710.41
  5. Step 5: Solve for x
    x = 10,187,649,710.41/104,813.98
  6. Step 6: Final answer
    x = 97,197.43

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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.