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Finding the Fourth Proportional to 358,626.10, 537,978.12 and 134,094.10

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Solution

The fourth proportional to 358,626.10, 537,978.12 and 134,094.10 is: 201,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,626.10 : 537,978.12 = 134,094.10 : x
  2. Step 2: Convert to fraction form
    358,626.10/537,978.12 = 134,094.10/x
  3. Step 3: Cross multiply
    358,626.10x = 537,978.12 × 134,094.10
  4. Step 4: Simplify right side
    358,626.10x = 72,139,691,821.09
  5. Step 5: Solve for x
    x = 72,139,691,821.09/358,626.10
  6. Step 6: Final answer
    x = 201,155.72

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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.