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Finding the Fourth Proportional to 341,258.80, 511,888.20 and 164,111.80

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Solution

The fourth proportional to 341,258.80, 511,888.20 and 164,111.80 is: 246,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,258.80 : 511,888.20 = 164,111.80 : x
  2. Step 2: Convert to fraction form
    341,258.80/511,888.20 = 164,111.80/x
  3. Step 3: Cross multiply
    341,258.80x = 511,888.20 × 164,111.80
  4. Step 4: Simplify right side
    341,258.80x = 84,006,893,900.76
  5. Step 5: Solve for x
    x = 84,006,893,900.76/341,258.80
  6. Step 6: Final answer
    x = 246,167.70

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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.