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Finding the Fourth Proportional to 119,567.76, 179,349.72 and 40,736.88

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Solution

The fourth proportional to 119,567.76, 179,349.72 and 40,736.88 is: 61,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,567.76 : 179,349.72 = 40,736.88 : x
  2. Step 2: Convert to fraction form
    119,567.76/179,349.72 = 40,736.88/x
  3. Step 3: Cross multiply
    119,567.76x = 179,349.72 × 40,736.88
  4. Step 4: Simplify right side
    119,567.76x = 7,306,148,021.67
  5. Step 5: Solve for x
    x = 7,306,148,021.67/119,567.76
  6. Step 6: Final answer
    x = 61,104.67

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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.