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Finding the Fourth Proportional to 152,242.80, 228,364.20 and 146,119.20

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Solution

The fourth proportional to 152,242.80, 228,364.20 and 146,119.20 is: 219,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,242.80 : 228,364.20 = 146,119.20 : x
  2. Step 2: Convert to fraction form
    152,242.80/228,364.20 = 146,119.20/x
  3. Step 3: Cross multiply
    152,242.80x = 228,364.20 × 146,119.20
  4. Step 4: Simplify right side
    152,242.80x = 33,368,394,212.64
  5. Step 5: Solve for x
    x = 33,368,394,212.64/152,242.80
  6. Step 6: Final answer
    x = 219,178.80

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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.