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Finding the Fourth Proportional to 58,804.80, 88,207.20 and 53,167.20

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Solution

The fourth proportional to 58,804.80, 88,207.20 and 53,167.20 is: 79,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,804.80 : 88,207.20 = 53,167.20 : x
  2. Step 2: Convert to fraction form
    58,804.80/88,207.20 = 53,167.20/x
  3. Step 3: Cross multiply
    58,804.80x = 88,207.20 × 53,167.20
  4. Step 4: Simplify right side
    58,804.80x = 4,689,729,843.84
  5. Step 5: Solve for x
    x = 4,689,729,843.84/58,804.80
  6. Step 6: Final answer
    x = 79,750.80

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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.