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Finding the Fourth Proportional to 70,365.63, 97,065.17 and 41,657.28

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Solution

The fourth proportional to 70,365.63, 97,065.17 and 41,657.28 is: 57,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,365.63 : 97,065.17 = 41,657.28 : x
  2. Step 2: Convert to fraction form
    70,365.63/97,065.17 = 41,657.28/x
  3. Step 3: Cross multiply
    70,365.63x = 97,065.17 × 41,657.28
  4. Step 4: Simplify right side
    70,365.63x = 4,043,470,964.94
  5. Step 5: Solve for x
    x = 4,043,470,964.94/70,365.63
  6. Step 6: Final answer
    x = 57,463.72

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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.