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Finding the Fourth Proportional to 113,975.55, 170,858.79 and 43,802.01

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Solution

The fourth proportional to 113,975.55, 170,858.79 and 43,802.01 is: 65,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,975.55 : 170,858.79 = 43,802.01 : x
  2. Step 2: Convert to fraction form
    113,975.55/170,858.79 = 43,802.01/x
  3. Step 3: Cross multiply
    113,975.55x = 170,858.79 × 43,802.01
  4. Step 4: Simplify right side
    113,975.55x = 7,483,958,428.17
  5. Step 5: Solve for x
    x = 7,483,958,428.17/113,975.55
  6. Step 6: Final answer
    x = 65,662.84

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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.