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Finding the Fourth Proportional to 160,699.68, 241,050.96 and 42,387.84

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Solution

The fourth proportional to 160,699.68, 241,050.96 and 42,387.84 is: 63,582.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,699.68 : 241,050.96 = 42,387.84 : x
  2. Step 2: Convert to fraction form
    160,699.68/241,050.96 = 42,387.84/x
  3. Step 3: Cross multiply
    160,699.68x = 241,050.96 × 42,387.84
  4. Step 4: Simplify right side
    160,699.68x = 10,217,629,524.33
  5. Step 5: Solve for x
    x = 10,217,629,524.33/160,699.68
  6. Step 6: Final answer
    x = 63,582.14

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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.