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Finding the Fourth Proportional to 66,060,219.15, 99,090,328.73 and 66,060,219.15

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Solution

The fourth proportional to 66,060,219.15, 99,090,328.73 and 66,060,219.15 is: 99,090,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,060,219.15 : 99,090,328.73 = 66,060,219.15 : x
  2. Step 2: Convert to fraction form
    66,060,219.15/99,090,328.73 = 66,060,219.15/x
  3. Step 3: Cross multiply
    66,060,219.15x = 99,090,328.73 × 66,060,219.15
  4. Step 4: Simplify right side
    66,060,219.15x = 6,545,928,831,219,040
  5. Step 5: Solve for x
    x = 6,545,928,831,219,040/66,060,219.15
  6. Step 6: Final answer
    x = 99,090,328.73

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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.