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Finding the Fourth Proportional to 341,084.89, 511,681.56 and 113,388.58

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Solution

The fourth proportional to 341,084.89, 511,681.56 and 113,388.58 is: 170,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,084.89 : 511,681.56 = 113,388.58 : x
  2. Step 2: Convert to fraction form
    341,084.89/511,681.56 = 113,388.58/x
  3. Step 3: Cross multiply
    341,084.89x = 511,681.56 × 113,388.58
  4. Step 4: Simplify right side
    341,084.89x = 58,018,842,836.77
  5. Step 5: Solve for x
    x = 58,018,842,836.77/341,084.89
  6. Step 6: Final answer
    x = 170,100.89

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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.