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Finding the Fourth Proportional to 167,014.40, 250,521.60 and 42,355.40

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Solution

The fourth proportional to 167,014.40, 250,521.60 and 42,355.40 is: 63,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,014.40 : 250,521.60 = 42,355.40 : x
  2. Step 2: Convert to fraction form
    167,014.40/250,521.60 = 42,355.40/x
  3. Step 3: Cross multiply
    167,014.40x = 250,521.60 × 42,355.40
  4. Step 4: Simplify right side
    167,014.40x = 10,610,942,576.64
  5. Step 5: Solve for x
    x = 10,610,942,576.64/167,014.40
  6. Step 6: Final answer
    x = 63,533.10

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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.