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Finding the Fourth Proportional to 143,674,211.70, 215,511,317.55 and 132,588,746.10

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Solution

The fourth proportional to 143,674,211.70, 215,511,317.55 and 132,588,746.10 is: 198,883,119.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,674,211.70 : 215,511,317.55 = 132,588,746.10 : x
  2. Step 2: Convert to fraction form
    143,674,211.70/215,511,317.55 = 132,588,746.10/x
  3. Step 3: Cross multiply
    143,674,211.70x = 215,511,317.55 × 132,588,746.10
  4. Step 4: Simplify right side
    143,674,211.70x = 28,574,375,364,313,424
  5. Step 5: Solve for x
    x = 28,574,375,364,313,424/143,674,211.70
  6. Step 6: Final answer
    x = 198,883,119.15

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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.