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Finding the Fourth Proportional to 96,376.53, 132,999.89 and 53,931.81

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Solution

The fourth proportional to 96,376.53, 132,999.89 and 53,931.81 is: 74,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,376.53 : 132,999.89 = 53,931.81 : x
  2. Step 2: Convert to fraction form
    96,376.53/132,999.89 = 53,931.81/x
  3. Step 3: Cross multiply
    96,376.53x = 132,999.89 × 53,931.81
  4. Step 4: Simplify right side
    96,376.53x = 7,172,924,527.84
  5. Step 5: Solve for x
    x = 7,172,924,527.84/96,376.53
  6. Step 6: Final answer
    x = 74,426.05

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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.