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Finding the Fourth Proportional to 169,595.16, 234,041.10 and 94,143.48

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Solution

The fourth proportional to 169,595.16, 234,041.10 and 94,143.48 is: 129,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,595.16 : 234,041.10 = 94,143.48 : x
  2. Step 2: Convert to fraction form
    169,595.16/234,041.10 = 94,143.48/x
  3. Step 3: Cross multiply
    169,595.16x = 234,041.10 × 94,143.48
  4. Step 4: Simplify right side
    169,595.16x = 22,033,443,617.03
  5. Step 5: Solve for x
    x = 22,033,443,617.03/169,595.16
  6. Step 6: Final answer
    x = 129,917.88

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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.