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Finding the Fourth Proportional to 169,823.70, 254,727.45 and 57,492.90

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Solution

The fourth proportional to 169,823.70, 254,727.45 and 57,492.90 is: 86,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,823.70 : 254,727.45 = 57,492.90 : x
  2. Step 2: Convert to fraction form
    169,823.70/254,727.45 = 57,492.90/x
  3. Step 3: Cross multiply
    169,823.70x = 254,727.45 × 57,492.90
  4. Step 4: Simplify right side
    169,823.70x = 14,645,019,810.11
  5. Step 5: Solve for x
    x = 14,645,019,810.11/169,823.70
  6. Step 6: Final answer
    x = 86,236.61

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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.