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Finding the Fourth Proportional to 73,375,714.70, 110,063,572.05 and 56,421,961.10

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Solution

The fourth proportional to 73,375,714.70, 110,063,572.05 and 56,421,961.10 is: 84,632,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,375,714.70 : 110,063,572.05 = 56,421,961.10 : x
  2. Step 2: Convert to fraction form
    73,375,714.70/110,063,572.05 = 56,421,961.10/x
  3. Step 3: Cross multiply
    73,375,714.70x = 110,063,572.05 × 56,421,961.10
  4. Step 4: Simplify right side
    73,375,714.70x = 6,210,002,580,732,147
  5. Step 5: Solve for x
    x = 6,210,002,580,732,147/73,375,714.70
  6. Step 6: Final answer
    x = 84,632,941.65

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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.