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Finding the Fourth Proportional to 143,326.68, 197,879.34 and 92,357.40

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Solution

The fourth proportional to 143,326.68, 197,879.34 and 92,357.40 is: 127,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,326.68 : 197,879.34 = 92,357.40 : x
  2. Step 2: Convert to fraction form
    143,326.68/197,879.34 = 92,357.40/x
  3. Step 3: Cross multiply
    143,326.68x = 197,879.34 × 92,357.40
  4. Step 4: Simplify right side
    143,326.68x = 18,275,621,356.12
  5. Step 5: Solve for x
    x = 18,275,621,356.12/143,326.68
  6. Step 6: Final answer
    x = 127,510.25

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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.