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Finding the Fourth Proportional to 70,634,107.60, 106,018,812.60 and 36,579,893.20

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Solution

The fourth proportional to 70,634,107.60, 106,018,812.60 and 36,579,893.20 is: 54,904,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,634,107.60 : 106,018,812.60 = 36,579,893.20 : x
  2. Step 2: Convert to fraction form
    70,634,107.60/106,018,812.60 = 36,579,893.20/x
  3. Step 3: Cross multiply
    70,634,107.60x = 106,018,812.60 × 36,579,893.20
  4. Step 4: Simplify right side
    70,634,107.60x = 3,878,156,842,098,814.50
  5. Step 5: Solve for x
    x = 3,878,156,842,098,814.50/70,634,107.60
  6. Step 6: Final answer
    x = 54,904,874.91

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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.