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Finding the Fourth Proportional to 228,500.02, 315,329.76 and 127,898.02

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Solution

The fourth proportional to 228,500.02, 315,329.76 and 127,898.02 is: 176,499.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,500.02 : 315,329.76 = 127,898.02 : x
  2. Step 2: Convert to fraction form
    228,500.02/315,329.76 = 127,898.02/x
  3. Step 3: Cross multiply
    228,500.02x = 315,329.76 × 127,898.02
  4. Step 4: Simplify right side
    228,500.02x = 40,330,051,951.08
  5. Step 5: Solve for x
    x = 40,330,051,951.08/228,500.02
  6. Step 6: Final answer
    x = 176,499.12

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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.