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Finding the Fourth Proportional to 70,888.82, 97,862.73 and 48,039.35

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Solution

The fourth proportional to 70,888.82, 97,862.73 and 48,039.35 is: 66,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,888.82 : 97,862.73 = 48,039.35 : x
  2. Step 2: Convert to fraction form
    70,888.82/97,862.73 = 48,039.35/x
  3. Step 3: Cross multiply
    70,888.82x = 97,862.73 × 48,039.35
  4. Step 4: Simplify right side
    70,888.82x = 4,701,261,268.96
  5. Step 5: Solve for x
    x = 4,701,261,268.96/70,888.82
  6. Step 6: Final answer
    x = 66,318.80

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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.