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Finding the Fourth Proportional to 96,983,649.60, 145,496,469.60 and 28,833,230.40

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Solution

The fourth proportional to 96,983,649.60, 145,496,469.60 and 28,833,230.40 is: 43,256,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,983,649.60 : 145,496,469.60 = 28,833,230.40 : x
  2. Step 2: Convert to fraction form
    96,983,649.60/145,496,469.60 = 28,833,230.40/x
  3. Step 3: Cross multiply
    96,983,649.60x = 145,496,469.60 × 28,833,230.40
  4. Step 4: Simplify right side
    96,983,649.60x = 4,195,133,230,363,395.50
  5. Step 5: Solve for x
    x = 4,195,133,230,363,395.50/96,983,649.60
  6. Step 6: Final answer
    x = 43,256,087.47

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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.