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Finding the Fourth Proportional to 164,677.12, 247,015.68 and 66,250.24

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Solution

The fourth proportional to 164,677.12, 247,015.68 and 66,250.24 is: 99,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,677.12 : 247,015.68 = 66,250.24 : x
  2. Step 2: Convert to fraction form
    164,677.12/247,015.68 = 66,250.24/x
  3. Step 3: Cross multiply
    164,677.12x = 247,015.68 × 66,250.24
  4. Step 4: Simplify right side
    164,677.12x = 16,364,848,083.76
  5. Step 5: Solve for x
    x = 16,364,848,083.76/164,677.12
  6. Step 6: Final answer
    x = 99,375.36

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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.