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Finding the Fourth Proportional to 143,099.12, 214,652.73 and 37,918.10

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Solution

The fourth proportional to 143,099.12, 214,652.73 and 37,918.10 is: 56,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,099.12 : 214,652.73 = 37,918.10 : x
  2. Step 2: Convert to fraction form
    143,099.12/214,652.73 = 37,918.10/x
  3. Step 3: Cross multiply
    143,099.12x = 214,652.73 × 37,918.10
  4. Step 4: Simplify right side
    143,099.12x = 8,139,223,681.41
  5. Step 5: Solve for x
    x = 8,139,223,681.41/143,099.12
  6. Step 6: Final answer
    x = 56,878.22

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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.