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Finding the Fourth Proportional to 70,374.96, 97,119.72 and 43,508.88

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Solution

The fourth proportional to 70,374.96, 97,119.72 and 43,508.88 is: 60,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,374.96 : 97,119.72 = 43,508.88 : x
  2. Step 2: Convert to fraction form
    70,374.96/97,119.72 = 43,508.88/x
  3. Step 3: Cross multiply
    70,374.96x = 97,119.72 × 43,508.88
  4. Step 4: Simplify right side
    70,374.96x = 4,225,570,243.11
  5. Step 5: Solve for x
    x = 4,225,570,243.11/70,374.96
  6. Step 6: Final answer
    x = 60,043.66

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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.