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Finding the Fourth Proportional to 352,094.70, 528,016.98 and 127,396.85

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Solution

The fourth proportional to 352,094.70, 528,016.98 and 127,396.85 is: 191,050.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,094.70 : 528,016.98 = 127,396.85 : x
  2. Step 2: Convert to fraction form
    352,094.70/528,016.98 = 127,396.85/x
  3. Step 3: Cross multiply
    352,094.70x = 528,016.98 × 127,396.85
  4. Step 4: Simplify right side
    352,094.70x = 67,267,700,089.65
  5. Step 5: Solve for x
    x = 67,267,700,089.65/352,094.70
  6. Step 6: Final answer
    x = 191,050.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.