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Finding the Fourth Proportional to 101,514.90, 152,272.35 and 48,929.70

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Solution

The fourth proportional to 101,514.90, 152,272.35 and 48,929.70 is: 73,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,514.90 : 152,272.35 = 48,929.70 : x
  2. Step 2: Convert to fraction form
    101,514.90/152,272.35 = 48,929.70/x
  3. Step 3: Cross multiply
    101,514.90x = 152,272.35 × 48,929.70
  4. Step 4: Simplify right side
    101,514.90x = 7,450,640,403.80
  5. Step 5: Solve for x
    x = 7,450,640,403.80/101,514.90
  6. Step 6: Final answer
    x = 73,394.55

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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.