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Finding the Fourth Proportional to 242,005.47, 363,027.42 and 73,540.51

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Solution

The fourth proportional to 242,005.47, 363,027.42 and 73,540.51 is: 110,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,005.47 : 363,027.42 = 73,540.51 : x
  2. Step 2: Convert to fraction form
    242,005.47/363,027.42 = 73,540.51/x
  3. Step 3: Cross multiply
    242,005.47x = 363,027.42 × 73,540.51
  4. Step 4: Simplify right side
    242,005.47x = 26,697,220,703.22
  5. Step 5: Solve for x
    x = 26,697,220,703.22/242,005.47
  6. Step 6: Final answer
    x = 110,316.60

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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.