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Finding the Fourth Proportional to 107,687.96, 148,603.56 and 59,280.46

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Solution

The fourth proportional to 107,687.96, 148,603.56 and 59,280.46 is: 81,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,687.96 : 148,603.56 = 59,280.46 : x
  2. Step 2: Convert to fraction form
    107,687.96/148,603.56 = 59,280.46/x
  3. Step 3: Cross multiply
    107,687.96x = 148,603.56 × 59,280.46
  4. Step 4: Simplify right side
    107,687.96x = 8,809,287,394.44
  5. Step 5: Solve for x
    x = 8,809,287,394.44/107,687.96
  6. Step 6: Final answer
    x = 81,803.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.