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Finding the Fourth Proportional to 252,713.76, 348,598.80 and 163,289.76

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Solution

The fourth proportional to 252,713.76, 348,598.80 and 163,289.76 is: 225,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,713.76 : 348,598.80 = 163,289.76 : x
  2. Step 2: Convert to fraction form
    252,713.76/348,598.80 = 163,289.76/x
  3. Step 3: Cross multiply
    252,713.76x = 348,598.80 × 163,289.76
  4. Step 4: Simplify right side
    252,713.76x = 56,922,614,388.29
  5. Step 5: Solve for x
    x = 56,922,614,388.29/252,713.76
  6. Step 6: Final answer
    x = 225,245.41

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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.