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Finding the Fourth Proportional to 176,670.80, 264,833.40 and 71,349.20

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Solution

The fourth proportional to 176,670.80, 264,833.40 and 71,349.20 is: 106,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,670.80 : 264,833.40 = 71,349.20 : x
  2. Step 2: Convert to fraction form
    176,670.80/264,833.40 = 71,349.20/x
  3. Step 3: Cross multiply
    176,670.80x = 264,833.40 × 71,349.20
  4. Step 4: Simplify right side
    176,670.80x = 18,895,651,223.28
  5. Step 5: Solve for x
    x = 18,895,651,223.28/176,670.80
  6. Step 6: Final answer
    x = 106,954.01

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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.