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Finding the Fourth Proportional to 358,159.76, 537,198.64 and 133,527.54

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Solution

The fourth proportional to 358,159.76, 537,198.64 and 133,527.54 is: 200,276.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,159.76 : 537,198.64 = 133,527.54 : x
  2. Step 2: Convert to fraction form
    358,159.76/537,198.64 = 133,527.54/x
  3. Step 3: Cross multiply
    358,159.76x = 537,198.64 × 133,527.54
  4. Step 4: Simplify right side
    358,159.76x = 71,730,812,890.55
  5. Step 5: Solve for x
    x = 71,730,812,890.55/358,159.76
  6. Step 6: Final answer
    x = 200,276.02

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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.