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Finding the Fourth Proportional to 235,365.30, 324,810.42 and 127,942.56

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Solution

The fourth proportional to 235,365.30, 324,810.42 and 127,942.56 is: 176,564.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,365.30 : 324,810.42 = 127,942.56 : x
  2. Step 2: Convert to fraction form
    235,365.30/324,810.42 = 127,942.56/x
  3. Step 3: Cross multiply
    235,365.30x = 324,810.42 × 127,942.56
  4. Step 4: Simplify right side
    235,365.30x = 41,557,076,649.48
  5. Step 5: Solve for x
    x = 41,557,076,649.48/235,365.30
  6. Step 6: Final answer
    x = 176,564.16

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1.5x scale

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.