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Finding the Fourth Proportional to 358,442.66, 537,756.25 and 105,712.94

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Solution

The fourth proportional to 358,442.66, 537,756.25 and 105,712.94 is: 158,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,442.66 : 537,756.25 = 105,712.94 : x
  2. Step 2: Convert to fraction form
    358,442.66/537,756.25 = 105,712.94/x
  3. Step 3: Cross multiply
    358,442.66x = 537,756.25 × 105,712.94
  4. Step 4: Simplify right side
    358,442.66x = 56,847,794,190.88
  5. Step 5: Solve for x
    x = 56,847,794,190.88/358,442.66
  6. Step 6: Final answer
    x = 158,596.62

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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.