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Finding the Fourth Proportional to 180,510.88, 270,941.28 and 87,082.24

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Solution

The fourth proportional to 180,510.88, 270,941.28 and 87,082.24 is: 130,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,510.88 : 270,941.28 = 87,082.24 : x
  2. Step 2: Convert to fraction form
    180,510.88/270,941.28 = 87,082.24/x
  3. Step 3: Cross multiply
    180,510.88x = 270,941.28 × 87,082.24
  4. Step 4: Simplify right side
    180,510.88x = 23,594,173,570.87
  5. Step 5: Solve for x
    x = 23,594,173,570.87/180,510.88
  6. Step 6: Final answer
    x = 130,707.76

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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.