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Finding the Fourth Proportional to 161,483.56, 223,100.12 and 123,376.50

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Solution

The fourth proportional to 161,483.56, 223,100.12 and 123,376.50 is: 170,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,483.56 : 223,100.12 = 123,376.50 : x
  2. Step 2: Convert to fraction form
    161,483.56/223,100.12 = 123,376.50/x
  3. Step 3: Cross multiply
    161,483.56x = 223,100.12 × 123,376.50
  4. Step 4: Simplify right side
    161,483.56x = 27,525,312,263.62
  5. Step 5: Solve for x
    x = 27,525,312,263.62/161,483.56
  6. Step 6: Final answer
    x = 170,452.72

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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.