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Finding the Fourth Proportional to 176,521.20, 264,781.80 and 101,871.60

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Solution

The fourth proportional to 176,521.20, 264,781.80 and 101,871.60 is: 152,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,521.20 : 264,781.80 = 101,871.60 : x
  2. Step 2: Convert to fraction form
    176,521.20/264,781.80 = 101,871.60/x
  3. Step 3: Cross multiply
    176,521.20x = 264,781.80 × 101,871.60
  4. Step 4: Simplify right side
    176,521.20x = 26,973,745,616.88
  5. Step 5: Solve for x
    x = 26,973,745,616.88/176,521.20
  6. Step 6: Final answer
    x = 152,807.40

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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.