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Finding the Fourth Proportional to 181,673.16, 250,681.68 and 104,137.80

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Solution

The fourth proportional to 181,673.16, 250,681.68 and 104,137.80 is: 143,694.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,673.16 : 250,681.68 = 104,137.80 : x
  2. Step 2: Convert to fraction form
    181,673.16/250,681.68 = 104,137.80/x
  3. Step 3: Cross multiply
    181,673.16x = 250,681.68 × 104,137.80
  4. Step 4: Simplify right side
    181,673.16x = 26,105,438,655.50
  5. Step 5: Solve for x
    x = 26,105,438,655.50/181,673.16
  6. Step 6: Final answer
    x = 143,694.53

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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.