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Finding the Fourth Proportional to 169,570.56, 234,018 and 94,120.32

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Solution

The fourth proportional to 169,570.56, 234,018 and 94,120.32 is: 129,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,570.56 : 234,018 = 94,120.32 : x
  2. Step 2: Convert to fraction form
    169,570.56/234,018 = 94,120.32/x
  3. Step 3: Cross multiply
    169,570.56x = 234,018 × 94,120.32
  4. Step 4: Simplify right side
    169,570.56x = 22,025,849,045.76
  5. Step 5: Solve for x
    x = 22,025,849,045.76/169,570.56
  6. Step 6: Final answer
    x = 129,891.94

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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.