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Finding the Fourth Proportional to 221,337,232.40, 331,722,413.40 and 169,964,602.40

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Solution

The fourth proportional to 221,337,232.40, 331,722,413.40 and 169,964,602.40 is: 254,729,254.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,337,232.40 : 331,722,413.40 = 169,964,602.40 : x
  2. Step 2: Convert to fraction form
    221,337,232.40/331,722,413.40 = 169,964,602.40/x
  3. Step 3: Cross multiply
    221,337,232.40x = 331,722,413.40 × 169,964,602.40
  4. Step 4: Simplify right side
    221,337,232.40x = 56,381,068,100,699,432
  5. Step 5: Solve for x
    x = 56,381,068,100,699,432/221,337,232.40
  6. Step 6: Final answer
    x = 254,729,254.04

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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.