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Finding the Fourth Proportional to 261,271.77, 392,082.41 and 95,059.77

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Solution

The fourth proportional to 261,271.77, 392,082.41 and 95,059.77 is: 142,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,271.77 : 392,082.41 = 95,059.77 : x
  2. Step 2: Convert to fraction form
    261,271.77/392,082.41 = 95,059.77/x
  3. Step 3: Cross multiply
    261,271.77x = 392,082.41 × 95,059.77
  4. Step 4: Simplify right side
    261,271.77x = 37,271,263,715.65
  5. Step 5: Solve for x
    x = 37,271,263,715.65/261,271.77
  6. Step 6: Final answer
    x = 142,653.24

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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.