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Finding the Fourth Proportional to 183,169.68, 252,757.16 and 103,681.68

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Solution

The fourth proportional to 183,169.68, 252,757.16 and 103,681.68 is: 143,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,169.68 : 252,757.16 = 103,681.68 : x
  2. Step 2: Convert to fraction form
    183,169.68/252,757.16 = 103,681.68/x
  3. Step 3: Cross multiply
    183,169.68x = 252,757.16 × 103,681.68
  4. Step 4: Simplify right side
    183,169.68x = 26,206,286,980.83
  5. Step 5: Solve for x
    x = 26,206,286,980.83/183,169.68
  6. Step 6: Final answer
    x = 143,071.10

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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.