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Finding the Fourth Proportional to 76,278,195.90, 114,417,293.85 and 76,278,195.90

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Solution

The fourth proportional to 76,278,195.90, 114,417,293.85 and 76,278,195.90 is: 114,417,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,278,195.90 : 114,417,293.85 = 76,278,195.90 : x
  2. Step 2: Convert to fraction form
    76,278,195.90/114,417,293.85 = 76,278,195.90/x
  3. Step 3: Cross multiply
    76,278,195.90x = 114,417,293.85 × 76,278,195.90
  4. Step 4: Simplify right side
    76,278,195.90x = 8,727,544,754,638,165
  5. Step 5: Solve for x
    x = 8,727,544,754,638,165/76,278,195.90
  6. Step 6: Final answer
    x = 114,417,293.85

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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.