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Finding the Fourth Proportional to 74,750,999.70, 112,126,499.55 and 74,750,999.70

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Solution

The fourth proportional to 74,750,999.70, 112,126,499.55 and 74,750,999.70 is: 112,126,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,750,999.70 : 112,126,499.55 = 74,750,999.70 : x
  2. Step 2: Convert to fraction form
    74,750,999.70/112,126,499.55 = 74,750,999.70/x
  3. Step 3: Cross multiply
    74,750,999.70x = 112,126,499.55 × 74,750,999.70
  4. Step 4: Simplify right side
    74,750,999.70x = 8,381,567,934,224,100
  5. Step 5: Solve for x
    x = 8,381,567,934,224,100/74,750,999.70
  6. Step 6: Final answer
    x = 112,126,499.55

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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.