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Finding the Fourth Proportional to 85,262.60, 117,658.74 and 47,536.52

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Solution

The fourth proportional to 85,262.60, 117,658.74 and 47,536.52 is: 65,598.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,262.60 : 117,658.74 = 47,536.52 : x
  2. Step 2: Convert to fraction form
    85,262.60/117,658.74 = 47,536.52/x
  3. Step 3: Cross multiply
    85,262.60x = 117,658.74 × 47,536.52
  4. Step 4: Simplify right side
    85,262.60x = 5,593,087,047.18
  5. Step 5: Solve for x
    x = 5,593,087,047.18/85,262.60
  6. Step 6: Final answer
    x = 65,598.36

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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.