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Finding the Fourth Proportional to 358,591.08, 537,761.13 and 105,804.45

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Solution

The fourth proportional to 358,591.08, 537,761.13 and 105,804.45 is: 158,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,591.08 : 537,761.13 = 105,804.45 : x
  2. Step 2: Convert to fraction form
    358,591.08/537,761.13 = 105,804.45/x
  3. Step 3: Cross multiply
    358,591.08x = 537,761.13 × 105,804.45
  4. Step 4: Simplify right side
    358,591.08x = 56,897,520,591.03
  5. Step 5: Solve for x
    x = 56,897,520,591.03/358,591.08
  6. Step 6: Final answer
    x = 158,669.65

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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.