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Finding the Fourth Proportional to 76,096.91, 105,055.96 and 45,889.88

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Solution

The fourth proportional to 76,096.91, 105,055.96 and 45,889.88 is: 63,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,096.91 : 105,055.96 = 45,889.88 : x
  2. Step 2: Convert to fraction form
    76,096.91/105,055.96 = 45,889.88/x
  3. Step 3: Cross multiply
    76,096.91x = 105,055.96 × 45,889.88
  4. Step 4: Simplify right side
    76,096.91x = 4,821,005,397.68
  5. Step 5: Solve for x
    x = 4,821,005,397.68/76,096.91
  6. Step 6: Final answer
    x = 63,353.50

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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.