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Finding the Fourth Proportional to 66,437,793.68, 99,656,690.51 and 66,437,793.68

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Solution

The fourth proportional to 66,437,793.68, 99,656,690.51 and 66,437,793.68 is: 99,656,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,437,793.68 : 99,656,690.51 = 66,437,793.68 : x
  2. Step 2: Convert to fraction form
    66,437,793.68/99,656,690.51 = 66,437,793.68/x
  3. Step 3: Cross multiply
    66,437,793.68x = 99,656,690.51 × 66,437,793.68
  4. Step 4: Simplify right side
    66,437,793.68x = 6,620,970,642,602,805
  5. Step 5: Solve for x
    x = 6,620,970,642,602,805/66,437,793.68
  6. Step 6: Final answer
    x = 99,656,690.51

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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.