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Finding the Fourth Proportional to 176,439.60, 263,930.40 and 160,868.16

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Solution

The fourth proportional to 176,439.60, 263,930.40 and 160,868.16 is: 240,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,439.60 : 263,930.40 = 160,868.16 : x
  2. Step 2: Convert to fraction form
    176,439.60/263,930.40 = 160,868.16/x
  3. Step 3: Cross multiply
    176,439.60x = 263,930.40 × 160,868.16
  4. Step 4: Simplify right side
    176,439.60x = 42,457,997,816.06
  5. Step 5: Solve for x
    x = 42,457,997,816.06/176,439.60
  6. Step 6: Final answer
    x = 240,637.58

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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.