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Finding the Fourth Proportional to 245,157.36, 338,022.80 and 177,065.52

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Solution

The fourth proportional to 245,157.36, 338,022.80 and 177,065.52 is: 244,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,157.36 : 338,022.80 = 177,065.52 : x
  2. Step 2: Convert to fraction form
    245,157.36/338,022.80 = 177,065.52/x
  3. Step 3: Cross multiply
    245,157.36x = 338,022.80 × 177,065.52
  4. Step 4: Simplify right side
    245,157.36x = 59,852,182,853.86
  5. Step 5: Solve for x
    x = 59,852,182,853.86/245,157.36
  6. Step 6: Final answer
    x = 244,137.82

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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.