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Finding the Fourth Proportional to 242,669.16, 364,004.67 and 74,188.83

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Solution

The fourth proportional to 242,669.16, 364,004.67 and 74,188.83 is: 111,283.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,669.16 : 364,004.67 = 74,188.83 : x
  2. Step 2: Convert to fraction form
    242,669.16/364,004.67 = 74,188.83/x
  3. Step 3: Cross multiply
    242,669.16x = 364,004.67 × 74,188.83
  4. Step 4: Simplify right side
    242,669.16x = 27,005,080,581.84
  5. Step 5: Solve for x
    x = 27,005,080,581.84/242,669.16
  6. Step 6: Final answer
    x = 111,283.53

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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.