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Finding the Fourth Proportional to 637,565.34, 956,122.90 and 188,166

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Solution

The fourth proportional to 637,565.34, 956,122.90 and 188,166 is: 282,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,565.34 : 956,122.90 = 188,166 : x
  2. Step 2: Convert to fraction form
    637,565.34/956,122.90 = 188,166/x
  3. Step 3: Cross multiply
    637,565.34x = 956,122.90 × 188,166
  4. Step 4: Simplify right side
    637,565.34x = 179,909,821,601.40
  5. Step 5: Solve for x
    x = 179,909,821,601.40/637,565.34
  6. Step 6: Final answer
    x = 282,182.56

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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.