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Finding the Fourth Proportional to 169,196.58, 253,795.14 and 69,338.16

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Solution

The fourth proportional to 169,196.58, 253,795.14 and 69,338.16 is: 104,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,196.58 : 253,795.14 = 69,338.16 : x
  2. Step 2: Convert to fraction form
    169,196.58/253,795.14 = 69,338.16/x
  3. Step 3: Cross multiply
    169,196.58x = 253,795.14 × 69,338.16
  4. Step 4: Simplify right side
    169,196.58x = 17,597,688,024.54
  5. Step 5: Solve for x
    x = 17,597,688,024.54/169,196.58
  6. Step 6: Final answer
    x = 104,007.35

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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.