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Finding the Fourth Proportional to 352,835.68, 529,173.72 and 163,191.98

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Solution

The fourth proportional to 352,835.68, 529,173.72 and 163,191.98 is: 244,751.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,835.68 : 529,173.72 = 163,191.98 : x
  2. Step 2: Convert to fraction form
    352,835.68/529,173.72 = 163,191.98/x
  3. Step 3: Cross multiply
    352,835.68x = 529,173.72 × 163,191.98
  4. Step 4: Simplify right side
    352,835.68x = 86,356,908,453.70
  5. Step 5: Solve for x
    x = 86,356,908,453.70/352,835.68
  6. Step 6: Final answer
    x = 244,751.07

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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.