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Finding the Fourth Proportional to 169,715.12, 234,215.16 and 94,262

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Solution

The fourth proportional to 169,715.12, 234,215.16 and 94,262 is: 130,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,715.12 : 234,215.16 = 94,262 : x
  2. Step 2: Convert to fraction form
    169,715.12/234,215.16 = 94,262/x
  3. Step 3: Cross multiply
    169,715.12x = 234,215.16 × 94,262
  4. Step 4: Simplify right side
    169,715.12x = 22,077,589,411.92
  5. Step 5: Solve for x
    x = 22,077,589,411.92/169,715.12
  6. Step 6: Final answer
    x = 130,086.17

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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.