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Finding the Fourth Proportional to 96,014.90, 143,979.15 and 36,830.90

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Solution

The fourth proportional to 96,014.90, 143,979.15 and 36,830.90 is: 55,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,014.90 : 143,979.15 = 36,830.90 : x
  2. Step 2: Convert to fraction form
    96,014.90/143,979.15 = 36,830.90/x
  3. Step 3: Cross multiply
    96,014.90x = 143,979.15 × 36,830.90
  4. Step 4: Simplify right side
    96,014.90x = 5,302,881,675.74
  5. Step 5: Solve for x
    x = 5,302,881,675.74/96,014.90
  6. Step 6: Final answer
    x = 55,229.78

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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.