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Finding the Fourth Proportional to 233,587.20, 350,467.20 and 75,820.80

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Solution

The fourth proportional to 233,587.20, 350,467.20 and 75,820.80 is: 113,759.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,587.20 : 350,467.20 = 75,820.80 : x
  2. Step 2: Convert to fraction form
    233,587.20/350,467.20 = 75,820.80/x
  3. Step 3: Cross multiply
    233,587.20x = 350,467.20 × 75,820.80
  4. Step 4: Simplify right side
    233,587.20x = 26,572,703,477.76
  5. Step 5: Solve for x
    x = 26,572,703,477.76/233,587.20
  6. Step 6: Final answer
    x = 113,759.24

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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.