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Finding the Fourth Proportional to 316,331.02, 474,502.02 and 116,548.57

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Solution

The fourth proportional to 316,331.02, 474,502.02 and 116,548.57 is: 174,824.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,331.02 : 474,502.02 = 116,548.57 : x
  2. Step 2: Convert to fraction form
    316,331.02/474,502.02 = 116,548.57/x
  3. Step 3: Cross multiply
    316,331.02x = 474,502.02 × 116,548.57
  4. Step 4: Simplify right side
    316,331.02x = 55,302,531,893.11
  5. Step 5: Solve for x
    x = 55,302,531,893.11/316,331.02
  6. Step 6: Final answer
    x = 174,824.88

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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.