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Finding the Fourth Proportional to 177,000.80, 265,063.80 and 117,514.40

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Solution

The fourth proportional to 177,000.80, 265,063.80 and 117,514.40 is: 175,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,000.80 : 265,063.80 = 117,514.40 : x
  2. Step 2: Convert to fraction form
    177,000.80/265,063.80 = 117,514.40/x
  3. Step 3: Cross multiply
    177,000.80x = 265,063.80 × 117,514.40
  4. Step 4: Simplify right side
    177,000.80x = 31,148,813,418.72
  5. Step 5: Solve for x
    x = 31,148,813,418.72/177,000.80
  6. Step 6: Final answer
    x = 175,981.20

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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.