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Finding the Fourth Proportional to 183,798,561.60, 275,319,928.80 and 126,355,694.40

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Solution

The fourth proportional to 183,798,561.60, 275,319,928.80 and 126,355,694.40 is: 189,273,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,798,561.60 : 275,319,928.80 = 126,355,694.40 : x
  2. Step 2: Convert to fraction form
    183,798,561.60/275,319,928.80 = 126,355,694.40/x
  3. Step 3: Cross multiply
    183,798,561.60x = 275,319,928.80 × 126,355,694.40
  4. Step 4: Simplify right side
    183,798,561.60x = 34,788,240,785,682,560
  5. Step 5: Solve for x
    x = 34,788,240,785,682,560/183,798,561.60
  6. Step 6: Final answer
    x = 189,273,737.96

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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.