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Finding the Fourth Proportional to 168,666.98, 253,036.90 and 63,485.64

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Solution

The fourth proportional to 168,666.98, 253,036.90 and 63,485.64 is: 95,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,666.98 : 253,036.90 = 63,485.64 : x
  2. Step 2: Convert to fraction form
    168,666.98/253,036.90 = 63,485.64/x
  3. Step 3: Cross multiply
    168,666.98x = 253,036.90 × 63,485.64
  4. Step 4: Simplify right side
    168,666.98x = 16,064,209,540.12
  5. Step 5: Solve for x
    x = 16,064,209,540.12/168,666.98
  6. Step 6: Final answer
    x = 95,242.17

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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.