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Finding the Fourth Proportional to 364,693.88, 546,666.71 and 139,993.81

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Solution

The fourth proportional to 364,693.88, 546,666.71 and 139,993.81 is: 209,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,693.88 : 546,666.71 = 139,993.81 : x
  2. Step 2: Convert to fraction form
    364,693.88/546,666.71 = 139,993.81/x
  3. Step 3: Cross multiply
    364,693.88x = 546,666.71 × 139,993.81
  4. Step 4: Simplify right side
    364,693.88x = 76,529,953,466.43
  5. Step 5: Solve for x
    x = 76,529,953,466.43/364,693.88
  6. Step 6: Final answer
    x = 209,847.10

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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.