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Finding the Fourth Proportional to 214,335.72, 295,780.82 and 123,689.73

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Solution

The fourth proportional to 214,335.72, 295,780.82 and 123,689.73 is: 170,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,335.72 : 295,780.82 = 123,689.73 : x
  2. Step 2: Convert to fraction form
    214,335.72/295,780.82 = 123,689.73/x
  3. Step 3: Cross multiply
    214,335.72x = 295,780.82 × 123,689.73
  4. Step 4: Simplify right side
    214,335.72x = 36,585,050,255.71
  5. Step 5: Solve for x
    x = 36,585,050,255.71/214,335.72
  6. Step 6: Final answer
    x = 170,690.40

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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.