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Finding the Fourth Proportional to 233,393.90, 349,930.87 and 83,630.88

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Solution

The fourth proportional to 233,393.90, 349,930.87 and 83,630.88 is: 125,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,393.90 : 349,930.87 = 83,630.88 : x
  2. Step 2: Convert to fraction form
    233,393.90/349,930.87 = 83,630.88/x
  3. Step 3: Cross multiply
    233,393.90x = 349,930.87 × 83,630.88
  4. Step 4: Simplify right side
    233,393.90x = 29,265,026,388.19
  5. Step 5: Solve for x
    x = 29,265,026,388.19/233,393.90
  6. Step 6: Final answer
    x = 125,389.00

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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.