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Finding the Fourth Proportional to 36,685,090.80, 55,027,636.20 and 36,685,090.80

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Solution

The fourth proportional to 36,685,090.80, 55,027,636.20 and 36,685,090.80 is: 55,027,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685,090.80 : 55,027,636.20 = 36,685,090.80 : x
  2. Step 2: Convert to fraction form
    36,685,090.80/55,027,636.20 = 36,685,090.80/x
  3. Step 3: Cross multiply
    36,685,090.80x = 55,027,636.20 × 36,685,090.80
  4. Step 4: Simplify right side
    36,685,090.80x = 2,018,693,830,506,367
  5. Step 5: Solve for x
    x = 2,018,693,830,506,367/36,685,090.80
  6. Step 6: Final answer
    x = 55,027,636.20

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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.