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Finding the Fourth Proportional to 62,858.63, 93,695.80 and 57,814.09

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Solution

The fourth proportional to 62,858.63, 93,695.80 and 57,814.09 is: 86,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,858.63 : 93,695.80 = 57,814.09 : x
  2. Step 2: Convert to fraction form
    62,858.63/93,695.80 = 57,814.09/x
  3. Step 3: Cross multiply
    62,858.63x = 93,695.80 × 57,814.09
  4. Step 4: Simplify right side
    62,858.63x = 5,416,937,413.82
  5. Step 5: Solve for x
    x = 5,416,937,413.82/62,858.63
  6. Step 6: Final answer
    x = 86,176.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.