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Finding the Fourth Proportional to 62,815.80, 88,175.40 and 62,815.80

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Solution

The fourth proportional to 62,815.80, 88,175.40 and 62,815.80 is: 88,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,815.80 : 88,175.40 = 62,815.80 : x
  2. Step 2: Convert to fraction form
    62,815.80/88,175.40 = 62,815.80/x
  3. Step 3: Cross multiply
    62,815.80x = 88,175.40 × 62,815.80
  4. Step 4: Simplify right side
    62,815.80x = 5,538,808,291.32
  5. Step 5: Solve for x
    x = 5,538,808,291.32/62,815.80
  6. Step 6: Final answer
    x = 88,175.40

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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.