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Finding the Fourth Proportional to 178,179.55, 245,774.50 and 116,929.71

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Solution

The fourth proportional to 178,179.55, 245,774.50 and 116,929.71 is: 161,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,179.55 : 245,774.50 = 116,929.71 : x
  2. Step 2: Convert to fraction form
    178,179.55/245,774.50 = 116,929.71/x
  3. Step 3: Cross multiply
    178,179.55x = 245,774.50 × 116,929.71
  4. Step 4: Simplify right side
    178,179.55x = 28,738,341,375.80
  5. Step 5: Solve for x
    x = 28,738,341,375.80/178,179.55
  6. Step 6: Final answer
    x = 161,288.67

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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.