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Finding the Fourth Proportional to 358,591.58, 537,945.75 and 105,897.63

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Solution

The fourth proportional to 358,591.58, 537,945.75 and 105,897.63 is: 158,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,591.58 : 537,945.75 = 105,897.63 : x
  2. Step 2: Convert to fraction form
    358,591.58/537,945.75 = 105,897.63/x
  3. Step 3: Cross multiply
    358,591.58x = 537,945.75 × 105,897.63
  4. Step 4: Simplify right side
    358,591.58x = 56,967,179,993.57
  5. Step 5: Solve for x
    x = 56,967,179,993.57/358,591.58
  6. Step 6: Final answer
    x = 158,863.69

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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.