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Finding the Fourth Proportional to 164,010.98, 245,716.76 and 118,920.72

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Solution

The fourth proportional to 164,010.98, 245,716.76 and 118,920.72 is: 178,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,010.98 : 245,716.76 = 118,920.72 : x
  2. Step 2: Convert to fraction form
    164,010.98/245,716.76 = 118,920.72/x
  3. Step 3: Cross multiply
    164,010.98x = 245,716.76 × 118,920.72
  4. Step 4: Simplify right side
    164,010.98x = 29,220,814,015.27
  5. Step 5: Solve for x
    x = 29,220,814,015.27/164,010.98
  6. Step 6: Final answer
    x = 178,163.77

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1.5x scale

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.