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Finding the Fourth Proportional to 61,704.75, 85,070.16 and 46,326.18

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Solution

The fourth proportional to 61,704.75, 85,070.16 and 46,326.18 is: 63,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,704.75 : 85,070.16 = 46,326.18 : x
  2. Step 2: Convert to fraction form
    61,704.75/85,070.16 = 46,326.18/x
  3. Step 3: Cross multiply
    61,704.75x = 85,070.16 × 46,326.18
  4. Step 4: Simplify right side
    61,704.75x = 3,940,975,544.79
  5. Step 5: Solve for x
    x = 3,940,975,544.79/61,704.75
  6. Step 6: Final answer
    x = 63,868.27

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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.