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Finding the Fourth Proportional to 637,452.60, 956,179.54 and 164,139

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Solution

The fourth proportional to 637,452.60, 956,179.54 and 164,139 is: 246,208.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,452.60 : 956,179.54 = 164,139 : x
  2. Step 2: Convert to fraction form
    637,452.60/956,179.54 = 164,139/x
  3. Step 3: Cross multiply
    637,452.60x = 956,179.54 × 164,139
  4. Step 4: Simplify right side
    637,452.60x = 156,946,353,516.06
  5. Step 5: Solve for x
    x = 156,946,353,516.06/637,452.60
  6. Step 6: Final answer
    x = 246,208.66

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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.