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Finding the Fourth Proportional to 70,360.81, 97,097.20 and 38,527.81

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Solution

The fourth proportional to 70,360.81, 97,097.20 and 38,527.81 is: 53,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,360.81 : 97,097.20 = 38,527.81 : x
  2. Step 2: Convert to fraction form
    70,360.81/97,097.20 = 38,527.81/x
  3. Step 3: Cross multiply
    70,360.81x = 97,097.20 × 38,527.81
  4. Step 4: Simplify right side
    70,360.81x = 3,740,942,473.13
  5. Step 5: Solve for x
    x = 3,740,942,473.13/70,360.81
  6. Step 6: Final answer
    x = 53,167.98

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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.