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Finding the Fourth Proportional to 178,754.88, 246,683.76 and 98,184.30

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Solution

The fourth proportional to 178,754.88, 246,683.76 and 98,184.30 is: 135,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,754.88 : 246,683.76 = 98,184.30 : x
  2. Step 2: Convert to fraction form
    178,754.88/246,683.76 = 98,184.30/x
  3. Step 3: Cross multiply
    178,754.88x = 246,683.76 × 98,184.30
  4. Step 4: Simplify right side
    178,754.88x = 24,220,472,296.97
  5. Step 5: Solve for x
    x = 24,220,472,296.97/178,754.88
  6. Step 6: Final answer
    x = 135,495.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.