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Finding the Fourth Proportional to 351,359.42, 527,029.56 and 98,642.00

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Solution

The fourth proportional to 351,359.42, 527,029.56 and 98,642.00 is: 147,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,359.42 : 527,029.56 = 98,642.00 : x
  2. Step 2: Convert to fraction form
    351,359.42/527,029.56 = 98,642.00/x
  3. Step 3: Cross multiply
    351,359.42x = 527,029.56 × 98,642.00
  4. Step 4: Simplify right side
    351,359.42x = 51,987,248,828.83
  5. Step 5: Solve for x
    x = 51,987,248,828.83/351,359.42
  6. Step 6: Final answer
    x = 147,960.31

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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.