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Finding the Fourth Proportional to 169,258.33, 253,513.12 and 69,114.84

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Solution

The fourth proportional to 169,258.33, 253,513.12 and 69,114.84 is: 103,519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,258.33 : 253,513.12 = 69,114.84 : x
  2. Step 2: Convert to fraction form
    169,258.33/253,513.12 = 69,114.84/x
  3. Step 3: Cross multiply
    169,258.33x = 253,513.12 × 69,114.84
  4. Step 4: Simplify right side
    169,258.33x = 17,521,518,726.70
  5. Step 5: Solve for x
    x = 17,521,518,726.70/169,258.33
  6. Step 6: Final answer
    x = 103,519.39

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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.