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Finding the Fourth Proportional to 167,423.87, 230,886.36 and 109,962.07

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Solution

The fourth proportional to 167,423.87, 230,886.36 and 109,962.07 is: 151,643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,423.87 : 230,886.36 = 109,962.07 : x
  2. Step 2: Convert to fraction form
    167,423.87/230,886.36 = 109,962.07/x
  3. Step 3: Cross multiply
    167,423.87x = 230,886.36 × 109,962.07
  4. Step 4: Simplify right side
    167,423.87x = 25,388,742,080.37
  5. Step 5: Solve for x
    x = 25,388,742,080.37/167,423.87
  6. Step 6: Final answer
    x = 151,643.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.