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Finding the Fourth Proportional to 233,486.90, 350,339.70 and 121,293.80

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Solution

The fourth proportional to 233,486.90, 350,339.70 and 121,293.80 is: 181,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,486.90 : 350,339.70 = 121,293.80 : x
  2. Step 2: Convert to fraction form
    233,486.90/350,339.70 = 121,293.80/x
  3. Step 3: Cross multiply
    233,486.90x = 350,339.70 × 121,293.80
  4. Step 4: Simplify right side
    233,486.90x = 42,494,033,503.86
  5. Step 5: Solve for x
    x = 42,494,033,503.86/233,486.90
  6. Step 6: Final answer
    x = 181,997.51

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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.