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Finding the Fourth Proportional to 176,432.80, 264,940.80 and 117,529.60

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Solution

The fourth proportional to 176,432.80, 264,940.80 and 117,529.60 is: 176,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,432.80 : 264,940.80 = 117,529.60 : x
  2. Step 2: Convert to fraction form
    176,432.80/264,940.80 = 117,529.60/x
  3. Step 3: Cross multiply
    176,432.80x = 264,940.80 × 117,529.60
  4. Step 4: Simplify right side
    176,432.80x = 31,138,386,247.68
  5. Step 5: Solve for x
    x = 31,138,386,247.68/176,432.80
  6. Step 6: Final answer
    x = 176,488.65

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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.