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Finding the Fourth Proportional to 116,009.60, 173,625.60 and 102,012.80

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Solution

The fourth proportional to 116,009.60, 173,625.60 and 102,012.80 is: 152,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,009.60 : 173,625.60 = 102,012.80 : x
  2. Step 2: Convert to fraction form
    116,009.60/173,625.60 = 102,012.80/x
  3. Step 3: Cross multiply
    116,009.60x = 173,625.60 × 102,012.80
  4. Step 4: Simplify right side
    116,009.60x = 17,712,033,607.68
  5. Step 5: Solve for x
    x = 17,712,033,607.68/116,009.60
  6. Step 6: Final answer
    x = 152,677.31

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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.