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Finding the Fourth Proportional to 176,264.80, 264,008.40 and 106,021.60

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Solution

The fourth proportional to 176,264.80, 264,008.40 and 106,021.60 is: 158,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,264.80 : 264,008.40 = 106,021.60 : x
  2. Step 2: Convert to fraction form
    176,264.80/264,008.40 = 106,021.60/x
  3. Step 3: Cross multiply
    176,264.80x = 264,008.40 × 106,021.60
  4. Step 4: Simplify right side
    176,264.80x = 27,990,592,981.44
  5. Step 5: Solve for x
    x = 27,990,592,981.44/176,264.80
  6. Step 6: Final answer
    x = 158,798.54

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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.