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Finding the Fourth Proportional to 176,636.40, 264,954.60 and 164,972.40

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Solution

The fourth proportional to 176,636.40, 264,954.60 and 164,972.40 is: 247,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,636.40 : 264,954.60 = 164,972.40 : x
  2. Step 2: Convert to fraction form
    176,636.40/264,954.60 = 164,972.40/x
  3. Step 3: Cross multiply
    176,636.40x = 264,954.60 × 164,972.40
  4. Step 4: Simplify right side
    176,636.40x = 43,710,196,253.04
  5. Step 5: Solve for x
    x = 43,710,196,253.04/176,636.40
  6. Step 6: Final answer
    x = 247,458.60

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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.