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Finding the Fourth Proportional to 113,213.80, 169,820.70 and 34,324.12

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Solution

The fourth proportional to 113,213.80, 169,820.70 and 34,324.12 is: 51,486.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,213.80 : 169,820.70 = 34,324.12 : x
  2. Step 2: Convert to fraction form
    113,213.80/169,820.70 = 34,324.12/x
  3. Step 3: Cross multiply
    113,213.80x = 169,820.70 × 34,324.12
  4. Step 4: Simplify right side
    113,213.80x = 5,828,946,085.28
  5. Step 5: Solve for x
    x = 5,828,946,085.28/113,213.80
  6. Step 6: Final answer
    x = 51,486.18

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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.