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Finding the Fourth Proportional to 358,163.67, 537,060.60 and 105,411.32

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Solution

The fourth proportional to 358,163.67, 537,060.60 and 105,411.32 is: 158,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,163.67 : 537,060.60 = 105,411.32 : x
  2. Step 2: Convert to fraction form
    358,163.67/537,060.60 = 105,411.32/x
  3. Step 3: Cross multiply
    358,163.67x = 537,060.60 × 105,411.32
  4. Step 4: Simplify right side
    358,163.67x = 56,612,269,412.10
  5. Step 5: Solve for x
    x = 56,612,269,412.10/358,163.67
  6. Step 6: Final answer
    x = 158,062.57

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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.