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Finding the Fourth Proportional to 98,008.40, 147,012.60 and 95,092.40

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Solution

The fourth proportional to 98,008.40, 147,012.60 and 95,092.40 is: 142,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,008.40 : 147,012.60 = 95,092.40 : x
  2. Step 2: Convert to fraction form
    98,008.40/147,012.60 = 95,092.40/x
  3. Step 3: Cross multiply
    98,008.40x = 147,012.60 × 95,092.40
  4. Step 4: Simplify right side
    98,008.40x = 13,979,780,964.24
  5. Step 5: Solve for x
    x = 13,979,780,964.24/98,008.40
  6. Step 6: Final answer
    x = 142,638.60

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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.