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Finding the Fourth Proportional to 306,973.79, 460,563.16 and 136,171.94

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Solution

The fourth proportional to 306,973.79, 460,563.16 and 136,171.94 is: 204,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,973.79 : 460,563.16 = 136,171.94 : x
  2. Step 2: Convert to fraction form
    306,973.79/460,563.16 = 136,171.94/x
  3. Step 3: Cross multiply
    306,973.79x = 460,563.16 × 136,171.94
  4. Step 4: Simplify right side
    306,973.79x = 62,715,776,346.48
  5. Step 5: Solve for x
    x = 62,715,776,346.48/306,973.79
  6. Step 6: Final answer
    x = 204,303.36

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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.