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Finding the Fourth Proportional to 358,481.60, 537,597.10 and 105,694.98

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Solution

The fourth proportional to 358,481.60, 537,597.10 and 105,694.98 is: 158,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,481.60 : 537,597.10 = 105,694.98 : x
  2. Step 2: Convert to fraction form
    358,481.60/537,597.10 = 105,694.98/x
  3. Step 3: Cross multiply
    358,481.60x = 537,597.10 × 105,694.98
  4. Step 4: Simplify right side
    358,481.60x = 56,821,312,848.69
  5. Step 5: Solve for x
    x = 56,821,312,848.69/358,481.60
  6. Step 6: Final answer
    x = 158,505.52

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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.