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Finding the Fourth Proportional to 175,494.40, 263,241.60 and 64,729.60

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Solution

The fourth proportional to 175,494.40, 263,241.60 and 64,729.60 is: 97,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,494.40 : 263,241.60 = 64,729.60 : x
  2. Step 2: Convert to fraction form
    175,494.40/263,241.60 = 64,729.60/x
  3. Step 3: Cross multiply
    175,494.40x = 263,241.60 × 64,729.60
  4. Step 4: Simplify right side
    175,494.40x = 17,039,523,471.36
  5. Step 5: Solve for x
    x = 17,039,523,471.36/175,494.40
  6. Step 6: Final answer
    x = 97,094.40

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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.