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Finding the Fourth Proportional to 358,147.25, 537,035.99 and 105,394.92

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Solution

The fourth proportional to 358,147.25, 537,035.99 and 105,394.92 is: 158,037.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,147.25 : 537,035.99 = 105,394.92 : x
  2. Step 2: Convert to fraction form
    358,147.25/537,035.99 = 105,394.92/x
  3. Step 3: Cross multiply
    358,147.25x = 537,035.99 × 105,394.92
  4. Step 4: Simplify right side
    358,147.25x = 56,600,865,203.17
  5. Step 5: Solve for x
    x = 56,600,865,203.17/358,147.25
  6. Step 6: Final answer
    x = 158,037.97

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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.