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Finding the Fourth Proportional to 58,375,957.60, 87,563,936.40 and 36,876,872.80

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Solution

The fourth proportional to 58,375,957.60, 87,563,936.40 and 36,876,872.80 is: 55,315,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,375,957.60 : 87,563,936.40 = 36,876,872.80 : x
  2. Step 2: Convert to fraction form
    58,375,957.60/87,563,936.40 = 36,876,872.80/x
  3. Step 3: Cross multiply
    58,375,957.60x = 87,563,936.40 × 36,876,872.80
  4. Step 4: Simplify right side
    58,375,957.60x = 3,229,084,144,490,090
  5. Step 5: Solve for x
    x = 3,229,084,144,490,090/58,375,957.60
  6. Step 6: Final answer
    x = 55,315,309.20

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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.