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Finding the Fourth Proportional to 159,097.93, 219,555.97 and 87,482.57

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Solution

The fourth proportional to 159,097.93, 219,555.97 and 87,482.57 is: 120,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,097.93 : 219,555.97 = 87,482.57 : x
  2. Step 2: Convert to fraction form
    159,097.93/219,555.97 = 87,482.57/x
  3. Step 3: Cross multiply
    159,097.93x = 219,555.97 × 87,482.57
  4. Step 4: Simplify right side
    159,097.93x = 19,207,320,514.44
  5. Step 5: Solve for x
    x = 19,207,320,514.44/159,097.93
  6. Step 6: Final answer
    x = 120,726.40

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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.