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Finding the Fourth Proportional to 228,383.52, 342,607.92 and 70,624.12

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Solution

The fourth proportional to 228,383.52, 342,607.92 and 70,624.12 is: 105,946.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,383.52 : 342,607.92 = 70,624.12 : x
  2. Step 2: Convert to fraction form
    228,383.52/342,607.92 = 70,624.12/x
  3. Step 3: Cross multiply
    228,383.52x = 342,607.92 × 70,624.12
  4. Step 4: Simplify right side
    228,383.52x = 24,196,382,855.03
  5. Step 5: Solve for x
    x = 24,196,382,855.03/228,383.52
  6. Step 6: Final answer
    x = 105,946.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.