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Finding the Fourth Proportional to 194,429.70, 291,644.55 and 173,762.55

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Solution

The fourth proportional to 194,429.70, 291,644.55 and 173,762.55 is: 260,643.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,429.70 : 291,644.55 = 173,762.55 : x
  2. Step 2: Convert to fraction form
    194,429.70/291,644.55 = 173,762.55/x
  3. Step 3: Cross multiply
    194,429.70x = 291,644.55 × 173,762.55
  4. Step 4: Simplify right side
    194,429.70x = 50,676,900,701.60
  5. Step 5: Solve for x
    x = 50,676,900,701.60/194,429.70
  6. Step 6: Final answer
    x = 260,643.83

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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.