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Finding the Fourth Proportional to 224,453.60, 309,615.36 and 143,852.48

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Solution

The fourth proportional to 224,453.60, 309,615.36 and 143,852.48 is: 198,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,453.60 : 309,615.36 = 143,852.48 : x
  2. Step 2: Convert to fraction form
    224,453.60/309,615.36 = 143,852.48/x
  3. Step 3: Cross multiply
    224,453.60x = 309,615.36 × 143,852.48
  4. Step 4: Simplify right side
    224,453.60x = 44,538,937,382.09
  5. Step 5: Solve for x
    x = 44,538,937,382.09/224,453.60
  6. Step 6: Final answer
    x = 198,432.72

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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.