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Finding the Fourth Proportional to 233,335.90, 349,744.65 and 128,230.30

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Solution

The fourth proportional to 233,335.90, 349,744.65 and 128,230.30 is: 192,203.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,335.90 : 349,744.65 = 128,230.30 : x
  2. Step 2: Convert to fraction form
    233,335.90/349,744.65 = 128,230.30/x
  3. Step 3: Cross multiply
    233,335.90x = 349,744.65 × 128,230.30
  4. Step 4: Simplify right side
    233,335.90x = 44,847,861,392.90
  5. Step 5: Solve for x
    x = 44,847,861,392.90/233,335.90
  6. Step 6: Final answer
    x = 192,203.01

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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.