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Finding the Fourth Proportional to 147,514.70, 221,272.05 and 36,706.70

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Solution

The fourth proportional to 147,514.70, 221,272.05 and 36,706.70 is: 55,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,514.70 : 221,272.05 = 36,706.70 : x
  2. Step 2: Convert to fraction form
    147,514.70/221,272.05 = 36,706.70/x
  3. Step 3: Cross multiply
    147,514.70x = 221,272.05 × 36,706.70
  4. Step 4: Simplify right side
    147,514.70x = 8,122,166,757.74
  5. Step 5: Solve for x
    x = 8,122,166,757.74/147,514.70
  6. Step 6: Final answer
    x = 55,060.05

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1.5x scale

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.