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Finding the Fourth Proportional to 92,504.70, 138,533.40 and 52,941.87

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Solution

The fourth proportional to 92,504.70, 138,533.40 and 52,941.87 is: 79,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,504.70 : 138,533.40 = 52,941.87 : x
  2. Step 2: Convert to fraction form
    92,504.70/138,533.40 = 52,941.87/x
  3. Step 3: Cross multiply
    92,504.70x = 138,533.40 × 52,941.87
  4. Step 4: Simplify right side
    92,504.70x = 7,334,217,253.46
  5. Step 5: Solve for x
    x = 7,334,217,253.46/92,504.70
  6. Step 6: Final answer
    x = 79,284.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.