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Finding the Fourth Proportional to 60,559.80, 84,871.20 and 60,559.80

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Solution

The fourth proportional to 60,559.80, 84,871.20 and 60,559.80 is: 84,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,559.80 : 84,871.20 = 60,559.80 : x
  2. Step 2: Convert to fraction form
    60,559.80/84,871.20 = 60,559.80/x
  3. Step 3: Cross multiply
    60,559.80x = 84,871.20 × 60,559.80
  4. Step 4: Simplify right side
    60,559.80x = 5,139,782,897.76
  5. Step 5: Solve for x
    x = 5,139,782,897.76/60,559.80
  6. Step 6: Final answer
    x = 84,871.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.