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Finding the Fourth Proportional to 97,354.94, 134,349.81 and 52,642.94

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Solution

The fourth proportional to 97,354.94, 134,349.81 and 52,642.94 is: 72,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,354.94 : 134,349.81 = 52,642.94 : x
  2. Step 2: Convert to fraction form
    97,354.94/134,349.81 = 52,642.94/x
  3. Step 3: Cross multiply
    97,354.94x = 134,349.81 × 52,642.94
  4. Step 4: Simplify right side
    97,354.94x = 7,072,568,986.84
  5. Step 5: Solve for x
    x = 7,072,568,986.84/97,354.94
  6. Step 6: Final answer
    x = 72,647.25

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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.