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Finding the Fourth Proportional to 169,827.84, 254,819.52 and 64,670.40

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Solution

The fourth proportional to 169,827.84, 254,819.52 and 64,670.40 is: 97,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,827.84 : 254,819.52 = 64,670.40 : x
  2. Step 2: Convert to fraction form
    169,827.84/254,819.52 = 64,670.40/x
  3. Step 3: Cross multiply
    169,827.84x = 254,819.52 × 64,670.40
  4. Step 4: Simplify right side
    169,827.84x = 16,479,280,286.21
  5. Step 5: Solve for x
    x = 16,479,280,286.21/169,827.84
  6. Step 6: Final answer
    x = 97,035.21

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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.