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Finding the Fourth Proportional to 183,842.10, 275,763.15 and 137,186.10

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Solution

The fourth proportional to 183,842.10, 275,763.15 and 137,186.10 is: 205,779.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,842.10 : 275,763.15 = 137,186.10 : x
  2. Step 2: Convert to fraction form
    183,842.10/275,763.15 = 137,186.10/x
  3. Step 3: Cross multiply
    183,842.10x = 275,763.15 × 137,186.10
  4. Step 4: Simplify right side
    183,842.10x = 37,830,871,072.22
  5. Step 5: Solve for x
    x = 37,830,871,072.22/183,842.10
  6. Step 6: Final answer
    x = 205,779.15

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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.