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Finding the Fourth Proportional to 161,477.01, 242,220.15 and 43,148.52

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Solution

The fourth proportional to 161,477.01, 242,220.15 and 43,148.52 is: 64,724.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,477.01 : 242,220.15 = 43,148.52 : x
  2. Step 2: Convert to fraction form
    161,477.01/242,220.15 = 43,148.52/x
  3. Step 3: Cross multiply
    161,477.01x = 242,220.15 × 43,148.52
  4. Step 4: Simplify right side
    161,477.01x = 10,451,440,986.68
  5. Step 5: Solve for x
    x = 10,451,440,986.68/161,477.01
  6. Step 6: Final answer
    x = 64,724.02

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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.