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Finding the Fourth Proportional to 58,277.20, 87,415.80 and 51,710.80

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Solution

The fourth proportional to 58,277.20, 87,415.80 and 51,710.80 is: 77,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,277.20 : 87,415.80 = 51,710.80 : x
  2. Step 2: Convert to fraction form
    58,277.20/87,415.80 = 51,710.80/x
  3. Step 3: Cross multiply
    58,277.20x = 87,415.80 × 51,710.80
  4. Step 4: Simplify right side
    58,277.20x = 4,520,340,950.64
  5. Step 5: Solve for x
    x = 4,520,340,950.64/58,277.20
  6. Step 6: Final answer
    x = 77,566.20

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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.