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Finding the Fourth Proportional to 98,316.42, 147,622.32 and 56,244

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Solution

The fourth proportional to 98,316.42, 147,622.32 and 56,244 is: 84,450.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,316.42 : 147,622.32 = 56,244 : x
  2. Step 2: Convert to fraction form
    98,316.42/147,622.32 = 56,244/x
  3. Step 3: Cross multiply
    98,316.42x = 147,622.32 × 56,244
  4. Step 4: Simplify right side
    98,316.42x = 8,302,869,766.08
  5. Step 5: Solve for x
    x = 8,302,869,766.08/98,316.42
  6. Step 6: Final answer
    x = 84,450.49

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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.