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Finding the Fourth Proportional to 78,525.51, 108,348.08 and 44,526.33

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Solution

The fourth proportional to 78,525.51, 108,348.08 and 44,526.33 is: 61,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,525.51 : 108,348.08 = 44,526.33 : x
  2. Step 2: Convert to fraction form
    78,525.51/108,348.08 = 44,526.33/x
  3. Step 3: Cross multiply
    78,525.51x = 108,348.08 × 44,526.33
  4. Step 4: Simplify right side
    78,525.51x = 4,824,342,142.31
  5. Step 5: Solve for x
    x = 4,824,342,142.31/78,525.51
  6. Step 6: Final answer
    x = 61,436.62

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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.