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Finding the Fourth Proportional to 170,735.58, 255,483.60 and 123,445.38

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Solution

The fourth proportional to 170,735.58, 255,483.60 and 123,445.38 is: 184,719.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,735.58 : 255,483.60 = 123,445.38 : x
  2. Step 2: Convert to fraction form
    170,735.58/255,483.60 = 123,445.38/x
  3. Step 3: Cross multiply
    170,735.58x = 255,483.60 × 123,445.38
  4. Step 4: Simplify right side
    170,735.58x = 31,538,270,085.77
  5. Step 5: Solve for x
    x = 31,538,270,085.77/170,735.58
  6. Step 6: Final answer
    x = 184,719.96

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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.