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Finding the Fourth Proportional to 242,296.40, 363,444.60 and 73,816.40

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Solution

The fourth proportional to 242,296.40, 363,444.60 and 73,816.40 is: 110,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,296.40 : 363,444.60 = 73,816.40 : x
  2. Step 2: Convert to fraction form
    242,296.40/363,444.60 = 73,816.40/x
  3. Step 3: Cross multiply
    242,296.40x = 363,444.60 × 73,816.40
  4. Step 4: Simplify right side
    242,296.40x = 26,828,171,971.44
  5. Step 5: Solve for x
    x = 26,828,171,971.44/242,296.40
  6. Step 6: Final answer
    x = 110,724.60

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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.