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Finding the Fourth Proportional to 233,680.80, 350,521.20 and 144,645.60

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Solution

The fourth proportional to 233,680.80, 350,521.20 and 144,645.60 is: 216,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,680.80 : 350,521.20 = 144,645.60 : x
  2. Step 2: Convert to fraction form
    233,680.80/350,521.20 = 144,645.60/x
  3. Step 3: Cross multiply
    233,680.80x = 350,521.20 × 144,645.60
  4. Step 4: Simplify right side
    233,680.80x = 50,701,349,286.72
  5. Step 5: Solve for x
    x = 50,701,349,286.72/233,680.80
  6. Step 6: Final answer
    x = 216,968.40

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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.