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Finding the Fourth Proportional to 169,479, 233,880.84 and 92,998.53

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Solution

The fourth proportional to 169,479, 233,880.84 and 92,998.53 is: 128,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,479 : 233,880.84 = 92,998.53 : x
  2. Step 2: Convert to fraction form
    169,479/233,880.84 = 92,998.53/x
  3. Step 3: Cross multiply
    169,479x = 233,880.84 × 92,998.53
  4. Step 4: Simplify right side
    169,479x = 21,750,574,315.17
  5. Step 5: Solve for x
    x = 21,750,574,315.17/169,479
  6. Step 6: Final answer
    x = 128,337.87

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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.