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Finding the Fourth Proportional to 291,510.16, 437,265.24 and 166,763.68

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Solution

The fourth proportional to 291,510.16, 437,265.24 and 166,763.68 is: 250,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,510.16 : 437,265.24 = 166,763.68 : x
  2. Step 2: Convert to fraction form
    291,510.16/437,265.24 = 166,763.68/x
  3. Step 3: Cross multiply
    291,510.16x = 437,265.24 × 166,763.68
  4. Step 4: Simplify right side
    291,510.16x = 72,919,960,558.48
  5. Step 5: Solve for x
    x = 72,919,960,558.48/291,510.16
  6. Step 6: Final answer
    x = 250,145.52

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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.