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Finding the Fourth Proportional to 183,774.72, 275,495.64 and 127,641.33

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Solution

The fourth proportional to 183,774.72, 275,495.64 and 127,641.33 is: 191,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,774.72 : 275,495.64 = 127,641.33 : x
  2. Step 2: Convert to fraction form
    183,774.72/275,495.64 = 127,641.33/x
  3. Step 3: Cross multiply
    183,774.72x = 275,495.64 × 127,641.33
  4. Step 4: Simplify right side
    183,774.72x = 35,164,629,898.80
  5. Step 5: Solve for x
    x = 35,164,629,898.80/183,774.72
  6. Step 6: Final answer
    x = 191,346.39

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1.5x scale

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.