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Finding the Fourth Proportional to 97,342.59, 134,361.50 and 57,065.07

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Solution

The fourth proportional to 97,342.59, 134,361.50 and 57,065.07 is: 78,766.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,342.59 : 134,361.50 = 57,065.07 : x
  2. Step 2: Convert to fraction form
    97,342.59/134,361.50 = 57,065.07/x
  3. Step 3: Cross multiply
    97,342.59x = 134,361.50 × 57,065.07
  4. Step 4: Simplify right side
    97,342.59x = 7,667,348,402.81
  5. Step 5: Solve for x
    x = 7,667,348,402.81/97,342.59
  6. Step 6: Final answer
    x = 78,766.64

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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.