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Finding the Fourth Proportional to 118,246.30, 177,369.45 and 43,341.55

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Solution

The fourth proportional to 118,246.30, 177,369.45 and 43,341.55 is: 65,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,246.30 : 177,369.45 = 43,341.55 : x
  2. Step 2: Convert to fraction form
    118,246.30/177,369.45 = 43,341.55/x
  3. Step 3: Cross multiply
    118,246.30x = 177,369.45 × 43,341.55
  4. Step 4: Simplify right side
    118,246.30x = 7,687,466,885.65
  5. Step 5: Solve for x
    x = 7,687,466,885.65/118,246.30
  6. Step 6: Final answer
    x = 65,012.33

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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.