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Finding the Fourth Proportional to 242,669.42, 364,005.04 and 74,189.08

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Solution

The fourth proportional to 242,669.42, 364,005.04 and 74,189.08 is: 111,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,669.42 : 364,005.04 = 74,189.08 : x
  2. Step 2: Convert to fraction form
    242,669.42/364,005.04 = 74,189.08/x
  3. Step 3: Cross multiply
    242,669.42x = 364,005.04 × 74,189.08
  4. Step 4: Simplify right side
    242,669.42x = 27,005,199,032.96
  5. Step 5: Solve for x
    x = 27,005,199,032.96/242,669.42
  6. Step 6: Final answer
    x = 111,283.90

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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.