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Finding the Fourth Proportional to 70,585.79, 97,365.56 and 41,886.54

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Solution

The fourth proportional to 70,585.79, 97,365.56 and 41,886.54 is: 57,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,585.79 : 97,365.56 = 41,886.54 : x
  2. Step 2: Convert to fraction form
    70,585.79/97,365.56 = 41,886.54/x
  3. Step 3: Cross multiply
    70,585.79x = 97,365.56 × 41,886.54
  4. Step 4: Simplify right side
    70,585.79x = 4,078,306,214.13
  5. Step 5: Solve for x
    x = 4,078,306,214.13/70,585.79
  6. Step 6: Final answer
    x = 57,778.01

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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.