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Finding the Fourth Proportional to 195,379.20, 293,068.80 and 163,886.40

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Solution

The fourth proportional to 195,379.20, 293,068.80 and 163,886.40 is: 245,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,379.20 : 293,068.80 = 163,886.40 : x
  2. Step 2: Convert to fraction form
    195,379.20/293,068.80 = 163,886.40/x
  3. Step 3: Cross multiply
    195,379.20x = 293,068.80 × 163,886.40
  4. Step 4: Simplify right side
    195,379.20x = 48,029,990,584.32
  5. Step 5: Solve for x
    x = 48,029,990,584.32/195,379.20
  6. Step 6: Final answer
    x = 245,829.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.