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Finding the Fourth Proportional to 100,898,720.70, 151,348,081.05 and 32,741,412.45

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Solution

The fourth proportional to 100,898,720.70, 151,348,081.05 and 32,741,412.45 is: 49,112,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,898,720.70 : 151,348,081.05 = 32,741,412.45 : x
  2. Step 2: Convert to fraction form
    100,898,720.70/151,348,081.05 = 32,741,412.45/x
  3. Step 3: Cross multiply
    100,898,720.70x = 151,348,081.05 × 32,741,412.45
  4. Step 4: Simplify right side
    100,898,720.70x = 4,955,349,945,174,079
  5. Step 5: Solve for x
    x = 4,955,349,945,174,079/100,898,720.70
  6. Step 6: Final answer
    x = 49,112,118.68

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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.