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Finding the Fourth Proportional to 233,347.50, 350,021.25 and 67,135.50

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Solution

The fourth proportional to 233,347.50, 350,021.25 and 67,135.50 is: 100,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,347.50 : 350,021.25 = 67,135.50 : x
  2. Step 2: Convert to fraction form
    233,347.50/350,021.25 = 67,135.50/x
  3. Step 3: Cross multiply
    233,347.50x = 350,021.25 × 67,135.50
  4. Step 4: Simplify right side
    233,347.50x = 23,498,851,629.38
  5. Step 5: Solve for x
    x = 23,498,851,629.38/233,347.50
  6. Step 6: Final answer
    x = 100,703.25

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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.