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Finding the Fourth Proportional to 133,085.55, 199,628.33 and 119,963.55

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Solution

The fourth proportional to 133,085.55, 199,628.33 and 119,963.55 is: 179,945.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,085.55 : 199,628.33 = 119,963.55 : x
  2. Step 2: Convert to fraction form
    133,085.55/199,628.33 = 119,963.55/x
  3. Step 3: Cross multiply
    133,085.55x = 199,628.33 × 119,963.55
  4. Step 4: Simplify right side
    133,085.55x = 23,948,122,547.55
  5. Step 5: Solve for x
    x = 23,948,122,547.55/133,085.55
  6. Step 6: Final answer
    x = 179,945.33

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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.