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Finding the Fourth Proportional to 174,378.69, 240,613.90 and 102,748.97

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Solution

The fourth proportional to 174,378.69, 240,613.90 and 102,748.97 is: 141,776.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,378.69 : 240,613.90 = 102,748.97 : x
  2. Step 2: Convert to fraction form
    174,378.69/240,613.90 = 102,748.97/x
  3. Step 3: Cross multiply
    174,378.69x = 240,613.90 × 102,748.97
  4. Step 4: Simplify right side
    174,378.69x = 24,722,830,392.68
  5. Step 5: Solve for x
    x = 24,722,830,392.68/174,378.69
  6. Step 6: Final answer
    x = 141,776.67

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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.