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Finding the Fourth Proportional to 114,762.21, 172,136.62 and 51,566.01

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Solution

The fourth proportional to 114,762.21, 172,136.62 and 51,566.01 is: 77,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,762.21 : 172,136.62 = 51,566.01 : x
  2. Step 2: Convert to fraction form
    114,762.21/172,136.62 = 51,566.01/x
  3. Step 3: Cross multiply
    114,762.21x = 172,136.62 × 51,566.01
  4. Step 4: Simplify right side
    114,762.21x = 8,876,398,668.29
  5. Step 5: Solve for x
    x = 8,876,398,668.29/114,762.21
  6. Step 6: Final answer
    x = 77,346.01

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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.