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Finding the Fourth Proportional to 101,064,672.70, 151,597,009.05 and 49,936,111.90

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Solution

The fourth proportional to 101,064,672.70, 151,597,009.05 and 49,936,111.90 is: 74,904,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,064,672.70 : 151,597,009.05 = 49,936,111.90 : x
  2. Step 2: Convert to fraction form
    101,064,672.70/151,597,009.05 = 49,936,111.90/x
  3. Step 3: Cross multiply
    101,064,672.70x = 151,597,009.05 × 49,936,111.90
  4. Step 4: Simplify right side
    101,064,672.70x = 7,570,165,207,626,113
  5. Step 5: Solve for x
    x = 7,570,165,207,626,113/101,064,672.70
  6. Step 6: Final answer
    x = 74,904,167.85

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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.