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Finding the Fourth Proportional to 169,786.16, 254,786.16 and 94,955.28

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Solution

The fourth proportional to 169,786.16, 254,786.16 and 94,955.28 is: 142,492.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,786.16 : 254,786.16 = 94,955.28 : x
  2. Step 2: Convert to fraction form
    169,786.16/254,786.16 = 94,955.28/x
  3. Step 3: Cross multiply
    169,786.16x = 254,786.16 × 94,955.28
  4. Step 4: Simplify right side
    169,786.16x = 24,193,291,162.92
  5. Step 5: Solve for x
    x = 24,193,291,162.92/169,786.16
  6. Step 6: Final answer
    x = 142,492.72

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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.