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Finding the Fourth Proportional to 161,239.69, 241,860.06 and 48,920.84

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Solution

The fourth proportional to 161,239.69, 241,860.06 and 48,920.84 is: 73,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,239.69 : 241,860.06 = 48,920.84 : x
  2. Step 2: Convert to fraction form
    161,239.69/241,860.06 = 48,920.84/x
  3. Step 3: Cross multiply
    161,239.69x = 241,860.06 × 48,920.84
  4. Step 4: Simplify right side
    161,239.69x = 11,831,996,521.48
  5. Step 5: Solve for x
    x = 11,831,996,521.48/161,239.69
  6. Step 6: Final answer
    x = 73,381.42

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1.5x scale

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.