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Finding the Fourth Proportional to 224,368.90, 309,743.34 and 173,266.90

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Solution

The fourth proportional to 224,368.90, 309,743.34 and 173,266.90 is: 239,196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,368.90 : 309,743.34 = 173,266.90 : x
  2. Step 2: Convert to fraction form
    224,368.90/309,743.34 = 173,266.90/x
  3. Step 3: Cross multiply
    224,368.90x = 309,743.34 × 173,266.90
  4. Step 4: Simplify right side
    224,368.90x = 53,668,268,317.45
  5. Step 5: Solve for x
    x = 53,668,268,317.45/224,368.90
  6. Step 6: Final answer
    x = 239,196.56

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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.