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Finding the Fourth Proportional to 58,922.40, 88,286.40 and 55,423.20

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Solution

The fourth proportional to 58,922.40, 88,286.40 and 55,423.20 is: 83,043.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,922.40 : 88,286.40 = 55,423.20 : x
  2. Step 2: Convert to fraction form
    58,922.40/88,286.40 = 55,423.20/x
  3. Step 3: Cross multiply
    58,922.40x = 88,286.40 × 55,423.20
  4. Step 4: Simplify right side
    58,922.40x = 4,893,114,804.48
  5. Step 5: Solve for x
    x = 4,893,114,804.48/58,922.40
  6. Step 6: Final answer
    x = 83,043.37

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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.