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Finding the Fourth Proportional to 97,429.79, 134,453.50 and 52,717.79

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Solution

The fourth proportional to 97,429.79, 134,453.50 and 52,717.79 is: 72,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,429.79 : 134,453.50 = 52,717.79 : x
  2. Step 2: Convert to fraction form
    97,429.79/134,453.50 = 52,717.79/x
  3. Step 3: Cross multiply
    97,429.79x = 134,453.50 × 52,717.79
  4. Step 4: Simplify right side
    97,429.79x = 7,088,091,582.10
  5. Step 5: Solve for x
    x = 7,088,091,582.10/97,429.79
  6. Step 6: Final answer
    x = 72,750.76

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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.