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Finding the Fourth Proportional to 192,168.60, 265,194.02 and 107,290.32

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Solution

The fourth proportional to 192,168.60, 265,194.02 and 107,290.32 is: 148,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,168.60 : 265,194.02 = 107,290.32 : x
  2. Step 2: Convert to fraction form
    192,168.60/265,194.02 = 107,290.32/x
  3. Step 3: Cross multiply
    192,168.60x = 265,194.02 × 107,290.32
  4. Step 4: Simplify right side
    192,168.60x = 28,452,751,267.89
  5. Step 5: Solve for x
    x = 28,452,751,267.89/192,168.60
  6. Step 6: Final answer
    x = 148,061.40

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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.