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Finding the Fourth Proportional to 70,876.80, 97,795.56 and 53,876.52

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Solution

The fourth proportional to 70,876.80, 97,795.56 and 53,876.52 is: 74,338.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,876.80 : 97,795.56 = 53,876.52 : x
  2. Step 2: Convert to fraction form
    70,876.80/97,795.56 = 53,876.52/x
  3. Step 3: Cross multiply
    70,876.80x = 97,795.56 × 53,876.52
  4. Step 4: Simplify right side
    70,876.80x = 5,268,884,444.25
  5. Step 5: Solve for x
    x = 5,268,884,444.25/70,876.80
  6. Step 6: Final answer
    x = 74,338.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.