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Finding the Fourth Proportional to 164,172.15, 245,929.37 and 75,303.27

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Solution

The fourth proportional to 164,172.15, 245,929.37 and 75,303.27 is: 112,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,172.15 : 245,929.37 = 75,303.27 : x
  2. Step 2: Convert to fraction form
    164,172.15/245,929.37 = 75,303.27/x
  3. Step 3: Cross multiply
    164,172.15x = 245,929.37 × 75,303.27
  4. Step 4: Simplify right side
    164,172.15x = 18,519,285,373.52
  5. Step 5: Solve for x
    x = 18,519,285,373.52/164,172.15
  6. Step 6: Final answer
    x = 112,804.06

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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.