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Finding the Fourth Proportional to 164,895,505.40, 247,325,543.40 and 43,726,957.40

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Solution

The fourth proportional to 164,895,505.40, 247,325,543.40 and 43,726,957.40 is: 65,585,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,895,505.40 : 247,325,543.40 = 43,726,957.40 : x
  2. Step 2: Convert to fraction form
    164,895,505.40/247,325,543.40 = 43,726,957.40/x
  3. Step 3: Cross multiply
    164,895,505.40x = 247,325,543.40 × 43,726,957.40
  4. Step 4: Simplify right side
    164,895,505.40x = 10,814,793,500,183,652
  5. Step 5: Solve for x
    x = 10,814,793,500,183,652/164,895,505.40
  6. Step 6: Final answer
    x = 65,585,738.52

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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.