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Finding the Fourth Proportional to 252,247.92, 348,104.80 and 139,074.72

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Solution

The fourth proportional to 252,247.92, 348,104.80 and 139,074.72 is: 191,924.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,247.92 : 348,104.80 = 139,074.72 : x
  2. Step 2: Convert to fraction form
    252,247.92/348,104.80 = 139,074.72/x
  3. Step 3: Cross multiply
    252,247.92x = 348,104.80 × 139,074.72
  4. Step 4: Simplify right side
    252,247.92x = 48,412,577,590.66
  5. Step 5: Solve for x
    x = 48,412,577,590.66/252,247.92
  6. Step 6: Final answer
    x = 191,924.59

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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.