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Finding the Fourth Proportional to 233,820.39, 350,823.21 and 121,571.40

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Solution

The fourth proportional to 233,820.39, 350,823.21 and 121,571.40 is: 182,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,820.39 : 350,823.21 = 121,571.40 : x
  2. Step 2: Convert to fraction form
    233,820.39/350,823.21 = 121,571.40/x
  3. Step 3: Cross multiply
    233,820.39x = 350,823.21 × 121,571.40
  4. Step 4: Simplify right side
    233,820.39x = 42,650,068,792.19
  5. Step 5: Solve for x
    x = 42,650,068,792.19/233,820.39
  6. Step 6: Final answer
    x = 182,405.26

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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.