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Finding the Fourth Proportional to 192,713.95, 265,913.53 and 121,042.92

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Solution

The fourth proportional to 192,713.95, 265,913.53 and 121,042.92 is: 167,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,713.95 : 265,913.53 = 121,042.92 : x
  2. Step 2: Convert to fraction form
    192,713.95/265,913.53 = 121,042.92/x
  3. Step 3: Cross multiply
    192,713.95x = 265,913.53 × 121,042.92
  4. Step 4: Simplify right side
    192,713.95x = 32,186,949,533.49
  5. Step 5: Solve for x
    x = 32,186,949,533.49/192,713.95
  6. Step 6: Final answer
    x = 167,019.30

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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.