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Finding the Fourth Proportional to 91,394.73, 136,977.95 and 63,089.27

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Solution

The fourth proportional to 91,394.73, 136,977.95 and 63,089.27 is: 94,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,394.73 : 136,977.95 = 63,089.27 : x
  2. Step 2: Convert to fraction form
    91,394.73/136,977.95 = 63,089.27/x
  3. Step 3: Cross multiply
    91,394.73x = 136,977.95 × 63,089.27
  4. Step 4: Simplify right side
    91,394.73x = 8,641,837,871.26
  5. Step 5: Solve for x
    x = 8,641,837,871.26/91,394.73
  6. Step 6: Final answer
    x = 94,555.10

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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.