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Finding the Fourth Proportional to 76,479.88, 114,590.40 and 46,835.83

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Solution

The fourth proportional to 76,479.88, 114,590.40 and 46,835.83 is: 70,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,479.88 : 114,590.40 = 46,835.83 : x
  2. Step 2: Convert to fraction form
    76,479.88/114,590.40 = 46,835.83/x
  3. Step 3: Cross multiply
    76,479.88x = 114,590.40 × 46,835.83
  4. Step 4: Simplify right side
    76,479.88x = 5,366,936,494.03
  5. Step 5: Solve for x
    x = 5,366,936,494.03/76,479.88
  6. Step 6: Final answer
    x = 70,174.49

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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.