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Finding the Fourth Proportional to 85,536.68, 118,035.83 and 47,294.01

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Solution

The fourth proportional to 85,536.68, 118,035.83 and 47,294.01 is: 65,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536.68 : 118,035.83 = 47,294.01 : x
  2. Step 2: Convert to fraction form
    85,536.68/118,035.83 = 47,294.01/x
  3. Step 3: Cross multiply
    85,536.68x = 118,035.83 × 47,294.01
  4. Step 4: Simplify right side
    85,536.68x = 5,582,387,842.61
  5. Step 5: Solve for x
    x = 5,582,387,842.61/85,536.68
  6. Step 6: Final answer
    x = 65,263.09

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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.