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Finding the Fourth Proportional to 176,103.52, 264,145.52 and 128,767.12

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Solution

The fourth proportional to 176,103.52, 264,145.52 and 128,767.12 is: 193,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,103.52 : 264,145.52 = 128,767.12 : x
  2. Step 2: Convert to fraction form
    176,103.52/264,145.52 = 128,767.12/x
  3. Step 3: Cross multiply
    176,103.52x = 264,145.52 × 128,767.12
  4. Step 4: Simplify right side
    176,103.52x = 34,013,257,871.30
  5. Step 5: Solve for x
    x = 34,013,257,871.30/176,103.52
  6. Step 6: Final answer
    x = 193,143.54

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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.