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Finding the Fourth Proportional to 149,674.40, 224,511.60 and 144,425.60

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Solution

The fourth proportional to 149,674.40, 224,511.60 and 144,425.60 is: 216,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,674.40 : 224,511.60 = 144,425.60 : x
  2. Step 2: Convert to fraction form
    149,674.40/224,511.60 = 144,425.60/x
  3. Step 3: Cross multiply
    149,674.40x = 224,511.60 × 144,425.60
  4. Step 4: Simplify right side
    149,674.40x = 32,425,222,536.96
  5. Step 5: Solve for x
    x = 32,425,222,536.96/149,674.40
  6. Step 6: Final answer
    x = 216,638.40

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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.