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Finding the Fourth Proportional to 176,449.20, 264,673.80 and 156,620.40

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Solution

The fourth proportional to 176,449.20, 264,673.80 and 156,620.40 is: 234,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,449.20 : 264,673.80 = 156,620.40 : x
  2. Step 2: Convert to fraction form
    176,449.20/264,673.80 = 156,620.40/x
  3. Step 3: Cross multiply
    176,449.20x = 264,673.80 × 156,620.40
  4. Step 4: Simplify right side
    176,449.20x = 41,453,316,425.52
  5. Step 5: Solve for x
    x = 41,453,316,425.52/176,449.20
  6. Step 6: Final answer
    x = 234,930.60

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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.