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Finding the Fourth Proportional to 241,346.80, 362,078.72 and 72,857.06

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Solution

The fourth proportional to 241,346.80, 362,078.72 and 72,857.06 is: 109,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,346.80 : 362,078.72 = 72,857.06 : x
  2. Step 2: Convert to fraction form
    241,346.80/362,078.72 = 72,857.06/x
  3. Step 3: Cross multiply
    241,346.80x = 362,078.72 × 72,857.06
  4. Step 4: Simplify right side
    241,346.80x = 26,379,989,399.51
  5. Step 5: Solve for x
    x = 26,379,989,399.51/241,346.80
  6. Step 6: Final answer
    x = 109,303.25

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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.