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Finding the Fourth Proportional to 176,014.30, 264,021.45 and 81,244.30

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Solution

The fourth proportional to 176,014.30, 264,021.45 and 81,244.30 is: 121,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,014.30 : 264,021.45 = 81,244.30 : x
  2. Step 2: Convert to fraction form
    176,014.30/264,021.45 = 81,244.30/x
  3. Step 3: Cross multiply
    176,014.30x = 264,021.45 × 81,244.30
  4. Step 4: Simplify right side
    176,014.30x = 21,450,237,890.24
  5. Step 5: Solve for x
    x = 21,450,237,890.24/176,014.30
  6. Step 6: Final answer
    x = 121,866.45

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1.5x scale

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.