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Finding the Fourth Proportional to 70,133.60, 105,200.40 and 54,466.40

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Solution

The fourth proportional to 70,133.60, 105,200.40 and 54,466.40 is: 81,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,133.60 : 105,200.40 = 54,466.40 : x
  2. Step 2: Convert to fraction form
    70,133.60/105,200.40 = 54,466.40/x
  3. Step 3: Cross multiply
    70,133.60x = 105,200.40 × 54,466.40
  4. Step 4: Simplify right side
    70,133.60x = 5,729,887,066.56
  5. Step 5: Solve for x
    x = 5,729,887,066.56/70,133.60
  6. Step 6: Final answer
    x = 81,699.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.