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Finding the Fourth Proportional to 233,235.40, 350,112.30 and 128,259.40

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Solution

The fourth proportional to 233,235.40, 350,112.30 and 128,259.40 is: 192,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,235.40 : 350,112.30 = 128,259.40 : x
  2. Step 2: Convert to fraction form
    233,235.40/350,112.30 = 128,259.40/x
  3. Step 3: Cross multiply
    233,235.40x = 350,112.30 × 128,259.40
  4. Step 4: Simplify right side
    233,235.40x = 44,905,193,530.62
  5. Step 5: Solve for x
    x = 44,905,193,530.62/233,235.40
  6. Step 6: Final answer
    x = 192,531.64

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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.