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Finding the Fourth Proportional to 169,634.10, 254,374.35 and 64,418.10

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Solution

The fourth proportional to 169,634.10, 254,374.35 and 64,418.10 is: 96,597.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,634.10 : 254,374.35 = 64,418.10 : x
  2. Step 2: Convert to fraction form
    169,634.10/254,374.35 = 64,418.10/x
  3. Step 3: Cross multiply
    169,634.10x = 254,374.35 × 64,418.10
  4. Step 4: Simplify right side
    169,634.10x = 16,386,312,315.74
  5. Step 5: Solve for x
    x = 16,386,312,315.74/169,634.10
  6. Step 6: Final answer
    x = 96,597.99

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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.