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Finding the Fourth Proportional to 152,891.60, 228,876.60 and 136,302.80

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Solution

The fourth proportional to 152,891.60, 228,876.60 and 136,302.80 is: 204,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,891.60 : 228,876.60 = 136,302.80 : x
  2. Step 2: Convert to fraction form
    152,891.60/228,876.60 = 136,302.80/x
  3. Step 3: Cross multiply
    152,891.60x = 228,876.60 × 136,302.80
  4. Step 4: Simplify right side
    152,891.60x = 31,196,521,434.48
  5. Step 5: Solve for x
    x = 31,196,521,434.48/152,891.60
  6. Step 6: Final answer
    x = 204,043.40

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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.