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Finding the Fourth Proportional to 233,025.90, 349,279.65 and 127,920.30

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Solution

The fourth proportional to 233,025.90, 349,279.65 and 127,920.30 is: 191,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,025.90 : 349,279.65 = 127,920.30 : x
  2. Step 2: Convert to fraction form
    233,025.90/349,279.65 = 127,920.30/x
  3. Step 3: Cross multiply
    233,025.90x = 349,279.65 × 127,920.30
  4. Step 4: Simplify right side
    233,025.90x = 44,679,957,611.90
  5. Step 5: Solve for x
    x = 44,679,957,611.90/233,025.90
  6. Step 6: Final answer
    x = 191,738.16

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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.