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Finding the Fourth Proportional to 146,703,074.40, 219,576,314.70 and 146,703,074.40

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Solution

The fourth proportional to 146,703,074.40, 219,576,314.70 and 146,703,074.40 is: 219,576,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,703,074.40 : 219,576,314.70 = 146,703,074.40 : x
  2. Step 2: Convert to fraction form
    146,703,074.40/219,576,314.70 = 146,703,074.40/x
  3. Step 3: Cross multiply
    146,703,074.40x = 219,576,314.70 × 146,703,074.40
  4. Step 4: Simplify right side
    146,703,074.40x = 32,212,520,431,911,912
  5. Step 5: Solve for x
    x = 32,212,520,431,911,912/146,703,074.40
  6. Step 6: Final answer
    x = 219,576,314.70

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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.