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Finding the Fourth Proportional to 125,670,602.80, 188,505,904.20 and 34,794,191.80

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Solution

The fourth proportional to 125,670,602.80, 188,505,904.20 and 34,794,191.80 is: 52,191,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,670,602.80 : 188,505,904.20 = 34,794,191.80 : x
  2. Step 2: Convert to fraction form
    125,670,602.80/188,505,904.20 = 34,794,191.80/x
  3. Step 3: Cross multiply
    125,670,602.80x = 188,505,904.20 × 34,794,191.80
  4. Step 4: Simplify right side
    125,670,602.80x = 6,558,910,586,167,225
  5. Step 5: Solve for x
    x = 6,558,910,586,167,225/125,670,602.80
  6. Step 6: Final answer
    x = 52,191,287.70

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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.