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Finding the Fourth Proportional to 88,727.70, 133,091.55 and 53,735.70

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Solution

The fourth proportional to 88,727.70, 133,091.55 and 53,735.70 is: 80,603.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,727.70 : 133,091.55 = 53,735.70 : x
  2. Step 2: Convert to fraction form
    88,727.70/133,091.55 = 53,735.70/x
  3. Step 3: Cross multiply
    88,727.70x = 133,091.55 × 53,735.70
  4. Step 4: Simplify right side
    88,727.70x = 7,151,767,603.34
  5. Step 5: Solve for x
    x = 7,151,767,603.34/88,727.70
  6. Step 6: Final answer
    x = 80,603.55

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1.5x scale

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.