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Finding the Fourth Proportional to 341,339.52, 511,720.08 and 141,535.20

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Solution

The fourth proportional to 341,339.52, 511,720.08 and 141,535.20 is: 212,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,339.52 : 511,720.08 = 141,535.20 : x
  2. Step 2: Convert to fraction form
    341,339.52/511,720.08 = 141,535.20/x
  3. Step 3: Cross multiply
    341,339.52x = 511,720.08 × 141,535.20
  4. Step 4: Simplify right side
    341,339.52x = 72,426,403,866.82
  5. Step 5: Solve for x
    x = 72,426,403,866.82/341,339.52
  6. Step 6: Final answer
    x = 212,182.88

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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.