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Finding the Fourth Proportional to 235,368.88, 324,811.22 and 127,939.16

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Solution

The fourth proportional to 235,368.88, 324,811.22 and 127,939.16 is: 176,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,368.88 : 324,811.22 = 127,939.16 : x
  2. Step 2: Convert to fraction form
    235,368.88/324,811.22 = 127,939.16/x
  3. Step 3: Cross multiply
    235,368.88x = 324,811.22 × 127,939.16
  4. Step 4: Simplify right side
    235,368.88x = 41,556,074,645.38
  5. Step 5: Solve for x
    x = 41,556,074,645.38/235,368.88
  6. Step 6: Final answer
    x = 176,557.22

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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.