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Finding the Fourth Proportional to 160,991.86, 241,528.55 and 113,699.34

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Solution

The fourth proportional to 160,991.86, 241,528.55 and 113,699.34 is: 170,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,991.86 : 241,528.55 = 113,699.34 : x
  2. Step 2: Convert to fraction form
    160,991.86/241,528.55 = 113,699.34/x
  3. Step 3: Cross multiply
    160,991.86x = 241,528.55 × 113,699.34
  4. Step 4: Simplify right side
    160,991.86x = 27,461,636,726.16
  5. Step 5: Solve for x
    x = 27,461,636,726.16/160,991.86
  6. Step 6: Final answer
    x = 170,577.80

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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.