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Finding the Fourth Proportional to 97,376.96, 134,380.08 and 52,664.96

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Solution

The fourth proportional to 97,376.96, 134,380.08 and 52,664.96 is: 72,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,376.96 : 134,380.08 = 52,664.96 : x
  2. Step 2: Convert to fraction form
    97,376.96/134,380.08 = 52,664.96/x
  3. Step 3: Cross multiply
    97,376.96x = 134,380.08 × 52,664.96
  4. Step 4: Simplify right side
    97,376.96x = 7,077,121,538.00
  5. Step 5: Solve for x
    x = 7,077,121,538.00/97,376.96
  6. Step 6: Final answer
    x = 72,677.58

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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.