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Finding the Fourth Proportional to 73,094.76, 100,842.98 and 45,859.30

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Solution

The fourth proportional to 73,094.76, 100,842.98 and 45,859.30 is: 63,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,094.76 : 100,842.98 = 45,859.30 : x
  2. Step 2: Convert to fraction form
    73,094.76/100,842.98 = 45,859.30/x
  3. Step 3: Cross multiply
    73,094.76x = 100,842.98 × 45,859.30
  4. Step 4: Simplify right side
    73,094.76x = 4,624,588,243.42
  5. Step 5: Solve for x
    x = 4,624,588,243.42/73,094.76
  6. Step 6: Final answer
    x = 63,268.40

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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.