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Finding the Fourth Proportional to 223,509.84, 335,592.84 and 139,627.44

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Solution

The fourth proportional to 223,509.84, 335,592.84 and 139,627.44 is: 209,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,509.84 : 335,592.84 = 139,627.44 : x
  2. Step 2: Convert to fraction form
    223,509.84/335,592.84 = 139,627.44/x
  3. Step 3: Cross multiply
    223,509.84x = 335,592.84 × 139,627.44
  4. Step 4: Simplify right side
    223,509.84x = 46,857,969,131.53
  5. Step 5: Solve for x
    x = 46,857,969,131.53/223,509.84
  6. Step 6: Final answer
    x = 209,646.11

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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.