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Finding the Fourth Proportional to 169,609.68, 234,044.01 and 98,012.76

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Solution

The fourth proportional to 169,609.68, 234,044.01 and 98,012.76 is: 135,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,609.68 : 234,044.01 = 98,012.76 : x
  2. Step 2: Convert to fraction form
    169,609.68/234,044.01 = 98,012.76/x
  3. Step 3: Cross multiply
    169,609.68x = 234,044.01 × 98,012.76
  4. Step 4: Simplify right side
    169,609.68x = 22,939,299,381.57
  5. Step 5: Solve for x
    x = 22,939,299,381.57/169,609.68
  6. Step 6: Final answer
    x = 135,247.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.