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Finding the Fourth Proportional to 188,559.57, 282,839.25 and 55,440.93

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Solution

The fourth proportional to 188,559.57, 282,839.25 and 55,440.93 is: 83,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,559.57 : 282,839.25 = 55,440.93 : x
  2. Step 2: Convert to fraction form
    188,559.57/282,839.25 = 55,440.93/x
  3. Step 3: Cross multiply
    188,559.57x = 282,839.25 × 55,440.93
  4. Step 4: Simplify right side
    188,559.57x = 15,680,871,060.50
  5. Step 5: Solve for x
    x = 15,680,871,060.50/188,559.57
  6. Step 6: Final answer
    x = 83,161.36

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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.