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Finding the Fourth Proportional to 192,381.46, 265,485.12 and 107,498.72

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Solution

The fourth proportional to 192,381.46, 265,485.12 and 107,498.72 is: 148,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,381.46 : 265,485.12 = 107,498.72 : x
  2. Step 2: Convert to fraction form
    192,381.46/265,485.12 = 107,498.72/x
  3. Step 3: Cross multiply
    192,381.46x = 265,485.12 × 107,498.72
  4. Step 4: Simplify right side
    192,381.46x = 28,539,310,579.05
  5. Step 5: Solve for x
    x = 28,539,310,579.05/192,381.46
  6. Step 6: Final answer
    x = 148,347.51

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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.