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Finding the Fourth Proportional to 341,341.52, 511,723.08 and 141,537.20

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Solution

The fourth proportional to 341,341.52, 511,723.08 and 141,537.20 is: 212,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,341.52 : 511,723.08 = 141,537.20 : x
  2. Step 2: Convert to fraction form
    341,341.52/511,723.08 = 141,537.20/x
  3. Step 3: Cross multiply
    341,341.52x = 511,723.08 × 141,537.20
  4. Step 4: Simplify right side
    341,341.52x = 72,427,851,918.58
  5. Step 5: Solve for x
    x = 72,427,851,918.58/341,341.52
  6. Step 6: Final answer
    x = 212,185.88

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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.