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Finding the Fourth Proportional to 176,355.40, 264,479.10 and 57,999.40

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Solution

The fourth proportional to 176,355.40, 264,479.10 and 57,999.40 is: 86,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,355.40 : 264,479.10 = 57,999.40 : x
  2. Step 2: Convert to fraction form
    176,355.40/264,479.10 = 57,999.40/x
  3. Step 3: Cross multiply
    176,355.40x = 264,479.10 × 57,999.40
  4. Step 4: Simplify right side
    176,355.40x = 15,339,629,112.54
  5. Step 5: Solve for x
    x = 15,339,629,112.54/176,355.40
  6. Step 6: Final answer
    x = 86,981.34

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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.