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Finding the Fourth Proportional to 319,669.74, 479,461.95 and 95,025.96

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Solution

The fourth proportional to 319,669.74, 479,461.95 and 95,025.96 is: 142,526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,669.74 : 479,461.95 = 95,025.96 : x
  2. Step 2: Convert to fraction form
    319,669.74/479,461.95 = 95,025.96/x
  3. Step 3: Cross multiply
    319,669.74x = 479,461.95 × 95,025.96
  4. Step 4: Simplify right side
    319,669.74x = 45,561,332,082.22
  5. Step 5: Solve for x
    x = 45,561,332,082.22/319,669.74
  6. Step 6: Final answer
    x = 142,526.26

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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.