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Finding the Fourth Proportional to 98,134.02, 147,165.31 and 41,978.24

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Solution

The fourth proportional to 98,134.02, 147,165.31 and 41,978.24 is: 62,952.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,134.02 : 147,165.31 = 41,978.24 : x
  2. Step 2: Convert to fraction form
    98,134.02/147,165.31 = 41,978.24/x
  3. Step 3: Cross multiply
    98,134.02x = 147,165.31 × 41,978.24
  4. Step 4: Simplify right side
    98,134.02x = 6,177,740,702.85
  5. Step 5: Solve for x
    x = 6,177,740,702.85/98,134.02
  6. Step 6: Final answer
    x = 62,952.08

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1.5x scale

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.