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Finding the Fourth Proportional to 241,656.80, 362,485.20 and 66,552.80

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Solution

The fourth proportional to 241,656.80, 362,485.20 and 66,552.80 is: 99,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,656.80 : 362,485.20 = 66,552.80 : x
  2. Step 2: Convert to fraction form
    241,656.80/362,485.20 = 66,552.80/x
  3. Step 3: Cross multiply
    241,656.80x = 362,485.20 × 66,552.80
  4. Step 4: Simplify right side
    241,656.80x = 24,124,405,018.56
  5. Step 5: Solve for x
    x = 24,124,405,018.56/241,656.80
  6. Step 6: Final answer
    x = 99,829.20

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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.