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Finding the Fourth Proportional to 182,112.80, 273,039.60 and 69,749.60

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Solution

The fourth proportional to 182,112.80, 273,039.60 and 69,749.60 is: 104,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,112.80 : 273,039.60 = 69,749.60 : x
  2. Step 2: Convert to fraction form
    182,112.80/273,039.60 = 69,749.60/x
  3. Step 3: Cross multiply
    182,112.80x = 273,039.60 × 69,749.60
  4. Step 4: Simplify right side
    182,112.80x = 19,044,402,884.16
  5. Step 5: Solve for x
    x = 19,044,402,884.16/182,112.80
  6. Step 6: Final answer
    x = 104,574.76

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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.