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Finding the Fourth Proportional to 358,754.90, 537,763.08 and 159,169.28

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Solution

The fourth proportional to 358,754.90, 537,763.08 and 159,169.28 is: 238,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,754.90 : 537,763.08 = 159,169.28 : x
  2. Step 2: Convert to fraction form
    358,754.90/537,763.08 = 159,169.28/x
  3. Step 3: Cross multiply
    358,754.90x = 537,763.08 × 159,169.28
  4. Step 4: Simplify right side
    358,754.90x = 85,595,362,254.18
  5. Step 5: Solve for x
    x = 85,595,362,254.18/358,754.90
  6. Step 6: Final answer
    x = 238,590.09

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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.