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Finding the Fourth Proportional to 242,172.21, 363,271.96 and 73,698.02

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Solution

The fourth proportional to 242,172.21, 363,271.96 and 73,698.02 is: 110,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,172.21 : 363,271.96 = 73,698.02 : x
  2. Step 2: Convert to fraction form
    242,172.21/363,271.96 = 73,698.02/x
  3. Step 3: Cross multiply
    242,172.21x = 363,271.96 × 73,698.02
  4. Step 4: Simplify right side
    242,172.21x = 26,772,424,173.52
  5. Step 5: Solve for x
    x = 26,772,424,173.52/242,172.21
  6. Step 6: Final answer
    x = 110,551.18

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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.