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Finding the Fourth Proportional to 169,666, 234,148.80 and 94,219.36

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Solution

The fourth proportional to 169,666, 234,148.80 and 94,219.36 is: 130,028.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,666 : 234,148.80 = 94,219.36 : x
  2. Step 2: Convert to fraction form
    169,666/234,148.80 = 94,219.36/x
  3. Step 3: Cross multiply
    169,666x = 234,148.80 × 94,219.36
  4. Step 4: Simplify right side
    169,666x = 22,061,350,080.77
  5. Step 5: Solve for x
    x = 22,061,350,080.77/169,666
  6. Step 6: Final answer
    x = 130,028.11

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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.