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Finding the Fourth Proportional to 358,606.64, 537,784.52 and 105,819.82

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Solution

The fourth proportional to 358,606.64, 537,784.52 and 105,819.82 is: 158,692.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,606.64 : 537,784.52 = 105,819.82 : x
  2. Step 2: Convert to fraction form
    358,606.64/537,784.52 = 105,819.82/x
  3. Step 3: Cross multiply
    358,606.64x = 537,784.52 × 105,819.82
  4. Step 4: Simplify right side
    358,606.64x = 56,908,259,231.63
  5. Step 5: Solve for x
    x = 56,908,259,231.63/358,606.64
  6. Step 6: Final answer
    x = 158,692.71

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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.