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Finding the Fourth Proportional to 192,456, 265,594.08 and 107,587.20

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Solution

The fourth proportional to 192,456, 265,594.08 and 107,587.20 is: 148,473.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456 : 265,594.08 = 107,587.20 : x
  2. Step 2: Convert to fraction form
    192,456/265,594.08 = 107,587.20/x
  3. Step 3: Cross multiply
    192,456x = 265,594.08 × 107,587.20
  4. Step 4: Simplify right side
    192,456x = 28,574,523,403.78
  5. Step 5: Solve for x
    x = 28,574,523,403.78/192,456
  6. Step 6: Final answer
    x = 148,473.02

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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.