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Finding the Fourth Proportional to 178,615.80, 246,492.36 and 98,041.86

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Solution

The fourth proportional to 178,615.80, 246,492.36 and 98,041.86 is: 135,299.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,615.80 : 246,492.36 = 98,041.86 : x
  2. Step 2: Convert to fraction form
    178,615.80/246,492.36 = 98,041.86/x
  3. Step 3: Cross multiply
    178,615.80x = 246,492.36 × 98,041.86
  4. Step 4: Simplify right side
    178,615.80x = 24,166,569,450.19
  5. Step 5: Solve for x
    x = 24,166,569,450.19/178,615.80
  6. Step 6: Final answer
    x = 135,299.17

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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.