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Finding the Fourth Proportional to 115,514.40, 173,449.80 and 63,026.40

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Solution

The fourth proportional to 115,514.40, 173,449.80 and 63,026.40 is: 94,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,514.40 : 173,449.80 = 63,026.40 : x
  2. Step 2: Convert to fraction form
    115,514.40/173,449.80 = 63,026.40/x
  3. Step 3: Cross multiply
    115,514.40x = 173,449.80 × 63,026.40
  4. Step 4: Simplify right side
    115,514.40x = 10,931,916,474.72
  5. Step 5: Solve for x
    x = 10,931,916,474.72/115,514.40
  6. Step 6: Final answer
    x = 94,636.83

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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.