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Finding the Fourth Proportional to 66,862,351.80, 100,134,095.40 and 66,862,351.80

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Solution

The fourth proportional to 66,862,351.80, 100,134,095.40 and 66,862,351.80 is: 100,134,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,862,351.80 : 100,134,095.40 = 66,862,351.80 : x
  2. Step 2: Convert to fraction form
    66,862,351.80/100,134,095.40 = 66,862,351.80/x
  3. Step 3: Cross multiply
    66,862,351.80x = 100,134,095.40 × 66,862,351.80
  4. Step 4: Simplify right side
    66,862,351.80x = 6,695,201,113,809,562
  5. Step 5: Solve for x
    x = 6,695,201,113,809,562/66,862,351.80
  6. Step 6: Final answer
    x = 100,134,095.40

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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.