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Finding the Fourth Proportional to 192,385.56, 265,486.98 and 107,503.32

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Solution

The fourth proportional to 192,385.56, 265,486.98 and 107,503.32 is: 148,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,385.56 : 265,486.98 = 107,503.32 : x
  2. Step 2: Convert to fraction form
    192,385.56/265,486.98 = 107,503.32/x
  3. Step 3: Cross multiply
    192,385.56x = 265,486.98 × 107,503.32
  4. Step 4: Simplify right side
    192,385.56x = 28,540,731,766.77
  5. Step 5: Solve for x
    x = 28,540,731,766.77/192,385.56
  6. Step 6: Final answer
    x = 148,351.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.