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Finding the Fourth Proportional to 216,354.40, 298,586.45 and 119,566.73

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Solution

The fourth proportional to 216,354.40, 298,586.45 and 119,566.73 is: 165,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,354.40 : 298,586.45 = 119,566.73 : x
  2. Step 2: Convert to fraction form
    216,354.40/298,586.45 = 119,566.73/x
  3. Step 3: Cross multiply
    216,354.40x = 298,586.45 × 119,566.73
  4. Step 4: Simplify right side
    216,354.40x = 35,701,006,494.19
  5. Step 5: Solve for x
    x = 35,701,006,494.19/216,354.40
  6. Step 6: Final answer
    x = 165,011.70

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1.5x scale

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.