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Finding the Fourth Proportional to 52,877.80, 80,871.93 and 52,877.80

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Solution

The fourth proportional to 52,877.80, 80,871.93 and 52,877.80 is: 80,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,877.80 : 80,871.93 = 52,877.80 : x
  2. Step 2: Convert to fraction form
    52,877.80/80,871.93 = 52,877.80/x
  3. Step 3: Cross multiply
    52,877.80x = 80,871.93 × 52,877.80
  4. Step 4: Simplify right side
    52,877.80x = 4,276,329,740.15
  5. Step 5: Solve for x
    x = 4,276,329,740.15/52,877.80
  6. Step 6: Final answer
    x = 80,871.93

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.