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Finding the Fourth Proportional to 228,000.48, 342,006.54 and 108,029.28

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Solution

The fourth proportional to 228,000.48, 342,006.54 and 108,029.28 is: 162,046.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,000.48 : 342,006.54 = 108,029.28 : x
  2. Step 2: Convert to fraction form
    228,000.48/342,006.54 = 108,029.28/x
  3. Step 3: Cross multiply
    228,000.48x = 342,006.54 × 108,029.28
  4. Step 4: Simplify right side
    228,000.48x = 36,946,720,271.49
  5. Step 5: Solve for x
    x = 36,946,720,271.49/228,000.48
  6. Step 6: Final answer
    x = 162,046.68

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1.5x scale

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.