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Finding the Fourth Proportional to 118,964.00, 178,472.94 and 40,076.08

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Solution

The fourth proportional to 118,964.00, 178,472.94 and 40,076.08 is: 60,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,964.00 : 178,472.94 = 40,076.08 : x
  2. Step 2: Convert to fraction form
    118,964.00/178,472.94 = 40,076.08/x
  3. Step 3: Cross multiply
    118,964.00x = 178,472.94 × 40,076.08
  4. Step 4: Simplify right side
    118,964.00x = 7,152,495,224.81
  5. Step 5: Solve for x
    x = 7,152,495,224.81/118,964.00
  6. Step 6: Final answer
    x = 60,123.19

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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.